Tag Archives: greenhouse

Your Cultivation Plan is the Most Important Factor to Increase Your Yield

By David Perkins
No Comments

Having a well-built grow room with adequate lighting, the ability to properly control the environment, proper nutrient feedings, a good pest management plan, well trained employees and an experienced cultivation manager are very important to the overall output of cannabis plants. However, even if you have all those measures in place, there’s no guarantee of success. One factor that is often overlooked is how many harvests you can get per year, as clearly the more harvests you can get in a given time period, the more likely your chances of success are in this competitive industry. This is why having a good cultivation plan in place, with proper foresight and planning, is so essential to success.

Increasing yield or production output in a cannabis cultivation facility can often be as simple as having the right cultivation plan in place to ensure that you are harvesting the maximum number of times per year. All it requires is a well thought out plan, and best of all, that does not cost any money if you have someone with enough cultivation experience assisting you and will earn back more than the cost of paying a consultant to get such a plan in place.

In this article I will explain why changing nutrients, grow media or even a cultivation manager may not necessarily increase yield, quality or your chance of success. What you should be focusing on is your cultivation plan and the scheduling of your cultivation cycles.

  1. Why changing nutrient companies may not necessarily increase your yield
Nutrient dosers are used to inject fertilizer directly into irrigation lines

For the most part, nutrient companies use the same ingredients in their product lines and often buy them from the same source, but they combine them in different forms and ratios to create their “unique” product. You can go to a grow store, pick five different nutrient products, read the labels and compare the different nutrients in each one. You will find for the most part that they are very similar. Generally speaking, you could pick any one of those five nutrient companies and have great results. Mixing nutrients into a nutrient tank needs to be done precisely and if your employees are not doing it properly this can lead to plant health issues. In larger cultivation facilities, often nutrient dosers are used to inject fertilizer into the irrigation lines without having to mix nutrients. However, if the dosers are not set to the proper ratios, this can also lead to plant health issues.

There are a few companies that I really like that have a different approach to plant nutrition, which saves time and can prevent human error associated with mixing and applying liquid nutrients. Soilscape solutions, Organics Alive and Beanstock Agriculture all have nutrient lines that are intended to be used with soil or soilless media that can be amended into the soil which provide a slow steady release of nutrients that the plants can uptake as needed. This avoids the risk of human error in repeatedly applying liquid nutrients to the plants.

  1. Why changing grow medium and nutrients will not necessarily improve your yield but may increase yourquality

Whether it is rock wool, coco fiber, a soilless mix or living soil, everything has a limit. Giving your plants the proper amount of water and the frequency at which you water, along with having sufficient room for the roots to grow are key factors to ensuring plant health. If your plants aren’t getting watered properly, no matter what media you are growing in, you will be having problems. Changing things like grow media won’t result in instant success, as there will always be a learning curve when making changes to your cultivation. If you cannot adapt quickly enough, you can quickly create major problems.

plebanisoil
Changing things like grow media won’t result in instant success, as there will always be a learning curve when making changes to your cultivation.

You would be better off to master the grow media you are currently working; you will have more chance of success making slight alterations to your current media than you will if you switch your grow media altogether. There are so many different nutrient lines, soil companies, coco coir companies and the truth is any of them can lead to success.

Changing grow media and nutrients do play a large role in quality though. With cannabis being legalized in many states, the overall quality of cultivation inputs have increased, especially nutrients. However, in general, with some exceptions, the quality of cannabis has not necessarily increased along with the increase in quality of nutrients. One exception: I would argue that switching from salt nutrients and rock wool, to organic living soil will result in an improvement to the flavor, quality and terpenes of the cannabis.

A lot of people use rock wool with salts because it’s easier to scale up than if you are growing in soil, but some quality is also sacrificed. Soil is heavy and messy and most people throw their soil away which takes a lot of money and labor to do. Reusing your soil is one of the best ways to save time, money and increase quality. I had a friend that grew the same variety, same lights, same ventilation but grew hydroponically with salt-based nutrients and he would always say the cannabis I grew, organically, tasted better. The same was true when we grew the same variety outdoors. He used salt-based fertilizer, I used amended soil with water. There wasn’t really a comparison in flavor and the yield was not compromised either! This was his opinion not mine.

I think the vast majority of consumers have not seen the type of quality that someone in Northern California who has been smoking and growing for 20 plus years has seen. Quality is relative to what you have been able to acquire. Most people especially nowadays will never see the quality that used to be common when we didn’t treat the sacred herb like a commodity. When you do it for the love of the plant it shows. Remember, quality is relative to your experience and if salty weed is all you know, you are probably missing out.

  1. Why changing your Cultivation manager may not necessarily increase your yield

Every cultivation facility should have an experienced cultivation manager who is knowledgeable in the areas of nutrient requirements, pest management, environmental requirements, managing employees and overall facilities operations. If a grow room cannot sustain the proper environmental set points, blaming the problems and issues that arise on the cultivation manager is not fair. It is a common problem in the cannabis industry – the owners of a company are not seeing the results that they want and think that by replacing the cultivation manager it will solve all their problems. In reality, often the problem results from upper management or owners of the company not providing the cultivation manager the tools necessary to perform their job at the highest level. Another common problem is when owners fire the cultivation manager and replace them with lower-level employees to manage the facility. The problem with this is those employees do not have enough experience nor the attention to detail to successfully run a cultivation facility. The result is that yield and quality suffer tremendously.

  1. You should be harvesting every 60-70 days
If you are cultivating strains that finish flowering in 60 to 70 days you should be getting five harvests per year.

The reality is there is no one specific thing you can try or buy that will result in success. It is everything combined, the HVAC system, lights, genetics being grown, water quality, air quality, root zone temperature, ability to control environment, having a clean facility, disease free plants, knowledgeable cultivation manager etc. that are required to operate a successful cultivation.

But all of that is less important to yield than a good cultivation plan. Cultivation methods directly tie into the overall production of a facility. But, regardless of whether you’re growing in soil, hydroponics, using LED or HPS, have low or high plant counts, if you don’t have the ability to harvest a grow room, clean and replant within a very short amount of time (ideally one or two days) then you’re going to be losing out on profit.

If you’re cultivating strains that finish flowering in under 60 days you should be getting six harvests per year. If you are cultivating strains that finish flowering in 60 to 70 days you should be getting five harvests per year. To do this, you will need to have the appropriate amount of plants that are ready to be flowered to refill your grow room or greenhouse ready to flower. With a little bit of planning and foresight you will be able to do this, and you will be on your way to producing your highest yield potential.

If you are struggling to have enough plants that are ready to flower once you are done harvesting and cleaning your grow room, having trouble planning your cultivation schedule to maximize production, or struggling to maintain a mother and clone room to supply your own plants or planning for the appropriate amount of labor, contact Floresco Consulting and talk with one of our cultivation advisors to get you back on track. We can guide you to ensure you are harvesting, cleaning and replanting every 60 days. Contact us today to get your facility producing at its maximum potential.

Cannin Commentary

A Closer Look at Village Farms

By Cannabis Industry Journal Staff
No Comments

Village Farms International (NASDAQ: VFF) manages and operates greenhouse facilities in North America. They’ve worked with growers for over 30 years and started supporting cannabis growers in 2017.  The company was founded by Michael A. DeGiglio and Albert W. Vanzeyst in 1987 and is headquartered in Delta, Canada. But is Village Farms stock a strong buy?

What is Village Farms International?

Village Farms International has a long history of managing and operating energy efficient grow facilities for agricultural crops. This includes cannabis, recently, and vegetables which bring in over $200 million in revenue annually.

Their 2021 acquisition of Pure SunFarms, one of Canada’s best known cannabis brands, gave them around $17 million in extra revenue and a large opportunity in the flower competition in Canada. Current goals have them taking 20% of the flower market share. They also deal in vapes, oils and infused edibles.

Bottom Line: Is Village Farms Stock a Strong Buy?

Village Farms stock shows plenty of promise. They have a large footprint in Texas as well, supporting hemp cultivation and processing into CBD products for distribution in the USA. With a small stake in Altum International, they also have a presence in Asia.

Excitingly, their subsidiary Balanced Health Botanicals, has come out with their Synergy Collections of SKUs (cannabinoids such as CBDA, CBG, and CBG with non-hallucinogenic mushrooms and Kava roots). These products will come as tinctures, capsules and drinks (around 31 SKUs pending) and should diversify their product offerings even more.

Their revenue remains strong, with adjusted EBITDA up 49% YoY and Pure SunFarms reporting 12 straight quarters of positive adjusted EBITDA. They have a lot of cash and are paying off their debt and recent acquisition costs quickly. With really low P/S, Price/Book and EV/Revenue ratios (all under 4) we see a bargain price now for a company that should slowly grow for the next six quarters.

Village Farms stock presents a longer buy and hold opportunity but the recent price drop (37% in 1 year?!) is making much more of an enticing deal now.

For all these reasons we rate VFF as Strong.

83% of Cannin’s fundamentals prove true within 30 days or less on 100+ recommendations over the past 3 years.

Controlled Environment Agriculture: An Interview with Sam Andras

By Aaron Green
1 Comment

Food-focused controlled environment agriculture (CEA) is a multidisciplinary production technique whereby plants and products are grown inside greenhouses, vertical farms and growth chambers where every aspect of the environment can be monitored and controlled. Using CEA, cultivators can produce high-value and traditional food crops with the goal of maximizing plant productivity in an efficient and environmentally friendly way.

As the industry’s first integrated building and cultivation systems design firm, urban-gro is ushering in a new era in the design of efficient indoor agriculture facilities, providing productivity and efficiency benefits to CEA operators when designing and operating facilities.

We interviewed Sam Andras, executive vice president of Professional Services at urban-gro, and principal of MJ12 Design Studio. Sam joined urban-gro after his company MJ12 Design Studio was acquired in July 2020. Prior to that, he was principal in charge of 2WR+ Partners, a 20-year Georgia-based architecture and interior design firm.

Aaron Green: Sam, tell me, how did you get started in the cannabis industry?

A facility that Andras designed in Massachusetts

Sam Andras: I started my architecture firm in 2001 in Georgia and later moved to Colorado in 2012. In 2013, I had the opportunity to do three cannabis facilities and really saw it as an emerging market that I thought would be really cool to dig into and pursue. Due to the marijuana stigma at the time, our company, 2WR, decided to create a cannabis-specific entity and developed MJ12 Design Studio. We built a website and it took off. Since 2013, I’ve personally designed about 130 cultivation facilities and vertically integrated facilities, from Hawaii all the way to New Zealand.

Green: When you say vertically integrated, what does that include?

Andras: The full building design of cultivation, product manufacturing, extraction, infusion and dispensaries.

Green: Is that something urban-gro currently does as well?

Andras: Now? Yes, with MJ12 under the facility design umbrella. After urban-gro acquired us in July, they were able to start offering full turnkey services. Everything from architecture, mechanical and plumbing engineering, electrical engineering, integrated cultivation, design of fertigation, benching, lighting, water treatment, environmental controls and other plant focused services– all of that is under our umbrella.

Green: Can you explain what controlled environment agriculture (CEA) is?

Andras: Absolutely. To me, CEA is crop agnostic, it can be anything from leafy greens to cannabis. Though we’re mainly focused on the cannabis industry and controlling that environment, we do also serve some leafy green companies. Environmental control includes things like temperature and humidity levels in the various stages of growth which is key to the economic success of organizations.

A California dispensary he designed

I’m a firm believer in legalization on the federal level down the road, which means that everything’s going to be under FDA for human consumption. If you look at the European models, when you look at the medicinal product development, it’s focused on consistency of the crop, from one crop to the next. And the way you achieve consistency is with CEA.

Green: From a resource perspective, can you describe how CEA differs from indoor to outdoor and greenhouse?

Andras: When you look at the market and the sale value of cannabis flower grown indoors versus outdoors or even greenhouse, greenhouse growing has huge variations by region. I believe greenhouses function better in more of a dry, arid climate. Indoor grows give you the ability to design and control your entire environment including temperatures, humidity levels, plant sizes, watering rates and other considerations. Growing indoors, in a controlled environment, gives you more flexibility to explore different alternatives in your cultivation.

A California cultivation facility he designed

Green: Final question: what in cannabis or in your personal life are you most interested in learning about?

Andras: That’s a great question. I’m a hands-on kind of guy. I would love to spend a couple of weeks working in extraction, as that’s the piece of the puzzle, as an architect, I know the least about. We’ve designed pretty much every type of cultivation from drip irrigation aeroponics to aquaponics, ebb & flow. You name it, we’ve done it, but the whole extraction process and the different equipment, and why companies choose ethanol, butane, hydrocarbon, CO2 and how to design for those extraction processes is something that as an architect, I’d love to learn more about.

Green: Okay, Great. That concludes the interview. Thanks Sam!

Andras: Thanks, Aaron.

Soapbox

Break Up Vertical Integration

By Ryan Douglas
No Comments

Editor’s Note: This is an excerpt from chapter ten of From Seed to Success: How to Launch a Great Cannabis Cultivation Business in Record Time by Ryan Douglas. Douglas is founder of Ryan Douglas Cultivation, a cannabis cultivation consulting firm. He was Master Grower from 2013-2016 for Tweed, Inc., Canada’s largest licensed producer of medical cannabis and the flagship subsidiary of Canopy Growth Corporation.

Cultivation businesses should consider specializing in just one stage of the cannabis cultivation process. The industry has focused heavily on vertical integration, and some regulating bodies require licensees to control the entire cannabis value chain from cultivation and processing to retail. This requirement is not always in the best interest of the consumer or the business, and will likely change as the industry evolves. Not only will companies specialize in each step of the value chain, but we’ll see even further segmentation among growers that choose to focus on just one step of the cultivation process. Cannabis businesses that want to position themselves for future success should identify their strengths in the crop production process and consider specializing in just one part.

Ryan Douglas, former Master Grower for Tweed and author of From Seed to Success: How to Launch a Great Cannabis Cultivation Business in Record Time

Elsewhere in commercial horticulture, specialization is the norm. It is unlikely that the begonias you bought at your local garden shop spent their entire life inside that greenhouse. More likely, the plant spent time hopping between specialists in the production chain before landing on the retail shelf. One grower typically handles stock plant production and serves as a rooting station for vegetative cuttings. From there, rooted cuttings are shipped to a grower that cares for the plants during the vegetative stage. Once they’re an appropriate height for flowering, they’re shipped to the last grower to flower out and sell to retailers.

Cannabis businesses should consider imitating this model as a way to ensure competitiveness in the future. In the US, federal law does not yet allow for the interstate transport of plants containing THC, but the process can be segmented within states where vertical integration is not a requirement. As we look ahead to full federal legalization in the US, we should anticipate companies abandoning the vertical integration model in favor of specialization. In countries where cannabis cultivation is federally legal, entrepreneurs should consider specialization from the moment they begin planning their business.

Cultivators that specialize in breeding and genetics could sell seeds, rooted cuttings, and tissue culture services to commercial growers. Royalties could provide a recurring source of income after the initial sale of seeds or young plants. Contracting propagation activities to a specialist can result in consistently clean rooted cuttings that arrive certified disease-free at roughly ¼ the cost of producing them in-house. This not only frees up space at the recipient’s greenhouse and saves them money, but it eliminates the risks inherent in traditional mother plant and cloning processes. If a mother plant becomes infected, all future generations will exhibit that disease, and the time, money, energy, labor, and space required to maintain healthy stock plants is substantial. Growers that focus on large scale cultivation would do well to outsource this critical step.

From Seed to Success: How to Launch a Great Cannabis Cultivation Business in Record Time

Intermediary growers could specialize in growing out seeds and rooted cuttings into mature plants that are ready to flower. These growers would develop this starter material into healthy plants with a strong, vigorous root system. They would also treat the plants with beneficial insects and inoculate the crop with various biological agents to decrease the plant’s susceptibility to pest and disease infestations. Plants would stay with this grower until they are about six to 18 inches in height—the appropriate size to initiate flowering.

The final stage in the process would be the flower grower. Monetarily, this is the most valuable stage in the cultivation process, but it’s also the most expensive. This facility would have the proper lighting, plant support infrastructure, and environmental controls to ensure that critical grow parameters can be tightly maintained throughout the flowering cycle. The grower would be an expert in managing late-stage insect and disease outbreaks, and they would be cautious not to apply anything to the flower that would later show up on a certificate of analysis (COA), rendering the crop unsaleable. This last stage would also handle all harvest and post-harvest activities—since shipping a finished crop to another location is inefficient and could potentially damage the plants.

As the cannabis cultivation industry normalizes, so, too, will the process by which the product is produced. Entrepreneurs keen on carving out a future in the industry should focus on one stage of the cultivation process, and excel at it.

5 Factors to Keep in Mind When Entering the Regulated Market

By David Perkins
No Comments

It’s a different world growing cannabis in California- in fact, it’s a completely different experience than it was even four years ago. It can be overwhelming to begin the process, which is where an experienced cultivation consultant can help. This article will highlight 5 factors to keep in mind before you begin growing in California’s regulated recreational market.

Start Up – Costs, needs & endless variables

So you’ve decided to begin a recreational grow, here are the factors to consider before you get started.

Permitting, the necessary pre-cursor to cultivation, can be time- consuming, extremely expensive, and overwhelming. General experience dictates that any grow will take longer than planned and cost way more money than you ever expected or anticipated. Always account for more money and time than you think you need. Working with an experienced consultant can help you plan and account for all the costs and variables you may not have considered, prior to beginning cultivation, in order to ensure your success.

Understand that growing boutique style cannabis is very difficult on a large scale, consistently.

Equipment. When choosing what equipment to use, stick to reputable equipment manufacturers. Don’t just go with the latest high-tech gear because you see it on Instagram being advertised by a big, fancy grow operation. Stick to what you know best. Do your homework and research the equipment as much as possible, prior to purchase. Use equipment that has been tested and well documented with success. Some questions to ask yourself: is this necessary? Is it cost effective? Will it help me reach my goals?

Grow your business slowly and naturally. Getting too big too quick will most likely expose inefficiencies in your operating plan, which will be further compounded when production increases. Don’t sink before you can swim and start out on a massive scale before you have perfected your process.

Cultivation – It pays to design it right the first time

Success begins in the grow room. Never forget that. A properly engineered cultivation plan can be the difference between 3 and 6 harvests per year. Again, it is imperative here to do your homework. A well-thought-out plan can make or break you, and that is where an experienced cultivation consultant can help.

Set realistic expectations. Understand that growing boutique style cannabis is very difficult on a large scale, consistently. Don’t expect to grow perfect cannabis every time – it is unrealistic and can ultimately lead to failure if your financial model depends on it. Growing a plant, while mostly in your control, involves too many variables to rely on a perfect outcome round after round. You can do everything in your power, yet something unexpected can still happen and be detrimental to your yield, and therefore your profit. You must expect and plan for this.

Automating as much of your grow as possible is always a good idea. This will greatly reduce labor costs and more importantly, minimize human error. In some instances, it will even allow you to review data and information remotely, in real time, allowing you to ensure your cultivation site is always running as efficiently as possible, even when you aren’t there.

Processing – Don’t skimp on the process

If you are going to be harvesting cannabis for flower, it is imperative to have a properly built facility for drying, curing and storing your product. You must consider that this building will need to be large enough to house and properly store all of your harvest at once. This can make or break your crop at harvest time. If you don’t have the capacity to handle your harvest properly, it can lead to disastrous issues such as mold or too quick of a cure – conditions which make your cannabis unsellable in the regulated market.

dry cannabis plants
Rows of cannabis plants drying and curing following harvest

Although costly, if done correctly, you can also design this area to serve as your propagation, trimming, and breeding areas, which will ultimately save on costs in the long run.

Also keep in mind, hand trimmed cannabis will always look more appealing to the consumer than machine trimmed cannabis. However, hand trimming can be time-consuming, labor-intensive, and therefore far more costly than machine trimming. These are factors you will need to consider and budget for when deciding how to proceed. If you use a machine, you may save money up front, but will you be able to sell your cannabis at full price?

Distribution – Have a plan

It is a good idea to have a plan for distribution, prior to start up. If you have an agreement with a retail outlet (or contract with a distributor) in writing, you will protect yourself from financial failure. Cannabis will never grow more valuable over time, therefore, you want to have a plan in place for distribution, as soon as the cannabis is harvested and processed. Just as was the case in the black-market days, you never want to hold on to your cannabis for long periods of time.

Do not distribute without agreements in writing! While some oral agreements may be enforceable, it will be extremely costly to litigate. Therefore, you should plan to hire a lawyer beforehand to create fail-proof agreements that will hold up in court, should a distributor not pay you for your product.

Sales – Build your brand, but be realistic

Building your brand is important. And if you don’t produce your own high-quality flower you cannot expect to have a product up to your standards. Your brand will not be successful if you cannot consistently provide consumers with high quality cannabis. Relying on other growers to produce your cannabis for you is risky to your brand. Even if you are a manufacturer, you may not be able to rely on other suppliers to maintain the quality volume you need in order to manufacture your products consistently.

The regulated market in California is new. Therefore you must necessarily account for a great degree of price fluctuations in the market. When creating your budget at the outset, you must account for fluctuations in profit. Knowing when prices are going to be at their lowest can help you avoid having an oversupply of inventory. It can also help you avoid such situations by planning your cultivation/harvest accordingly.

There are both consumer and government influenced market trends that can affect your bottom line. These must be accounted for at the outset.

On the consumer level, you must know what people are buying and how they are consuming. And these factors can change quickly with the introduction of new technology, methods or new devices intended for cannabis consumption. You must stay on top of these trends.

The government regulations can also affect these trends. Products used for cultivation can become banned, i.e. products you once relied on in your cultivation can be found to have contaminants known to cause test failures, even in “approved products.”

Ultimately, all of these factors can make or break your success, and therefore, must be considered, researched and accounted for prior to beginning your cultivation in the regulated market. Working with a consultant with over 20 years of grow experience, and more importantly, extensive experience in large scale cultivation in the regulated market, can help you achieve the success you desire. Cultivation in the regulated market is costly, but working with a consultant can help you cut costs at the outset, and save you from unexpected expenses in the long run.

Soapbox

Increase Density in your Canopy

By Carl Silverberg
No Comments

One goal all growers seem to agree on is the need to increase density in their houses. How that gets done, well, there are a variety of ways and here’s one way a grower chose to do it:

With 45,000 square feet of greenhouse space, Nathan Fumia, a cannabis grower and consultant for a commercial operation in California, wasn’t pleased with what he was seeing. “If I put my hand inside the canopy and I can see sunlight on it, I’m losing money,” was how he described the situation. Unfortunately, the operators and staff of the greenhouse disagreed. They thought increasing density would rob the leaves of needed light.

He chose to test his theory by increasing the number of plants on one of his benches from 140 to 150 plants. To ensure the validity of the research, Nathan grew the same strain on Bench 1 as Bench 2, and to make sure all the metrics were equal, he even processed the crops separately. After weighing, Bench 2 (his research bench) showed an 8% higher yield than Bench 1.

“The post-harvest data from the weight, yield confirmed my decision to maximize density by increasing the total number of plants per bench,” says Fumia. “Whenever I saw red on the canopy heat map from LUNA, I knew there was room for improvement and I knew that I wasn’t making the money that I should have from those areas.”

His next challenge was where to place the extra ten plants? Did it make a difference or could he just shove 150 plants in a space that was originally planned for 140? Again, his greenhouse system was able to pinpoint the best sub-sections on the benches and Nathan was able to see exactly which plants were growing the fastest. That also gave him the ability to understand why certain quadrants of the bench were doing better than others.

“We were able to determine which quadrant on which bench was already at 100% density, and determine which quadrant wasn’t. Without that data, it would have been pure guesswork.”

He dialed down even further to find out which cultivars grew the best on a particular bench in the greenhouse. “Some cannabis cultivars need more light, some need less, some need warmer climates, and some need cooler climates,” Fumia noted. “Additionally, in order to increase the density of flowering points/buds, we began focusing on better pruning techniques in the vegetative phase, directly increasing branches for flowering.”

With optimization even more important now than it was 12-18 months ago, Nathan summed up the impact on his bottom line. “With a crop cycle averaging just over six a year, at that time we were averaging $600-$800 a pound depending on the strain. Some were even more. Ten extra plants per bench per cycle was a nice bounce for us.”

Obviously, this isn’t the only way to increase density. What’s your suggestion? Share your ideas with the rest of us by posting your comments below.

Soapbox

Taking the Guesswork out of Horticultural Lighting

By Leora Radetsky
1 Comment

With 33 states and the District of Columbia having passed laws legalizing marijuana in some form, cannabis cultivation is quickly becoming a booming new business across much of the US. From an energy standpoint, unfortunately, it’s not easy being “green”.

New Frontier Data’s 2018 Cannabis Energy Report found that legal cannabis cultivation in the US consumes approximately 1.1 million megawatt hours of electricity annually – enough to power 92,500 homes or a community the size of Newark, NJ, and accounts for carbon emissions equivalent to that of 92,600 cars. And that consumption is forecasted to increase 162 percent from 2017 to 2022. The report recommended that the industry “evaluate energy-efficient and renewable energy technologies” to nip this challenge in the bud.

Growers seeking to reduce their electricity usage through more efficient lighting face a confusing landscape of options, however. It can be difficult to know what will save electricity and work well for their operations. Technology is advancing quickly and questions abound, from how long a fixture will last and whether a manufacturer’s claims about efficacy are accurate to the effectiveness of various wavelengths for growing a particular plant.

Here’s the good news: there are reliable, third-party lighting and safety standards to help indoor growers make the leap from old-school lighting to state-of-the-art light-emitting diodes (LEDs) that use a fraction of the electricity and are increasingly effective for growing crops from cannabis to tomatoes. Here’s a closer look:

Most lighting fixtures in the North American market go through rigorous inspection by certified third-party testing labs. The first part of the check is for safety – an official UL safety standard tailored for the unique challenges of the greenhouse environment was recently released (UL 8800, the Standard for Horticultural Lighting Equipment and Systems). This standard and similar safety certifications at other major labs address wiring, environmental conditions, ingress protection and worker safety related to prolonged photobiological exposure to the eyes and skin. Growers should always ask a fixture manufacturer about safety certification specifically targeted for horticultural environments.

Next on the standards checklist for horticultural fixtures is performance testing. This often happens at the same labs that do safety testing, but is designed to verify efficacy, output, spectrum and other important performance variables. Commercial labs are certified for specific standards, so that a test on a fixture is repeatable at any other lab certified to the same standard. This performance testing results in a report summarizing items like photosynthetic photon flux (PPF), input power (watts), photosynthetic flux efficacy (PPE, measured in μmol/J or micromoles of photosynthetic photons per joule of electrical input power), and spectral content (flux per nanometer (nm) between 400 and 700 nm).

Then, there are flux maintenance standards (such as IES LM-80 and IES TM-21) that help make sure the photosynthetic light output of LED products degrades at an acceptable rate to make a grower’s investment worthwhile. The testing and calculation methods that go into these standards were painstakingly developed through a consensus of knowledgeable lighting stakeholders. A key difference between general lighting and plant lighting, however, is how flux maintenance is measured and benchmarked – the bar is significantly higher for plants compared to people since their metabolism and growth are dependent on the light spectrum and amount.

A plant in flowering under an LED fixture

What’s described above just scratches the surface of the detailed testing used to determine and communicate performance features for commercial horticultural lighting fixtures. There’s a lot of important information to know, but it takes an informed reader to analyze this information and use it to select appropriate horticultural lighting. Our organization, the DesignLights Consortium (DLC), strives to make the vetting process easier for everyone, freeing up growers to focus on their core business.

In the early days of LED lighting, electric utilities had to compare these different lighting factors and reports to inform their energy efficiency rebate/incentive programs. The DLC was founded to fill this need, serving as a central clearinghouse for setting energy efficiency and other product performance minimum standards, and to evaluate products against those standards. Then and now, lighting products that pass review qualify for an online qualified products list (QPL) that utilities use to quickly and accurately incentivize high-performing products.

Credit: ProGrowTech

With its new minimum performance standards for horticultural light fixtures, the DLC seeks to accelerate the adoption of new energy-saving LED fixtures in controlled agriculture environments. To be on the new DLC Horticultural QPL, an LED fixture must be at least 10 percent more efficacious than the best non-LED alternative – a 1,000-watt double-ended high-pressure sodium (HPS) fixture. It also must have a Q90 of 36,000 hours (the number of hours before the photon flux output depreciates to 90 percent), and its driver and fan (if included) must have a rated life of at least 50,000 hours.

Most importantly, every product is listed online in a searchable, filterable database to help growers and facility designers quickly narrow their options. For example, in a retrofit, a grower might know what PPF is needed from each fixture but might also need to stay within a power budget to avoid rewiring circuits. The DLC’s Horticultural QPL can be filtered to quickly find and compare conforming products.

When a new technology is introduced, there is always uncertainty about how to optimally apply it. The horticultural world is no different. We look forward to research supporting additional predictive metrics that allow us to take advantage of the full benefits of high-performance LED and controls technologies. In the meantime, the established standards described here allow for energy efficient and safe cultivation facilities where growers can confidently produce more with less.

Beyond THC: Encouraging Cannabinoid and Terpene Production with LEDs

By Andrew Myers
No Comments

For years, tetrahydrocannabinol (THC) got all the attention. While THC certainly delivers its own benefits (such as relaxation and pain relief), there’s a whole host of other – and often overlooked – compounds found in cannabis with important benefits as well. THC is truly only the tip of the iceberg when it comes to cannabis’s potential.

As the cannabis industry evolves with changing consumer tastes and developing medical research, growers may employ techniques to boost cannabinoid and terpene profiles in their harvests – beyond merely focusing on THC. Advanced LEDs allow growers to elicit specific biological responses in cannabis crops, including increased concentrations of these naturally occurring chemical compounds.

The Foundation of Cannabis’s Effects
Whether used medicinally or otherwise, cannabis has changed our society and many of our lives – and there’s a collection of naturally occurring chemical compounds, known as cannabinoids and terpenes, to thank.

  • The cannabinoids THC and CBD are the most common and well-researched, however they are accompanied by more than 200 additional compounds, including cannabinol (CBN), cannabigerol (CBG) and tetrahydrocannabivarin (THCV), among others.
  • The cannabis plant also contains terpenes. These structures are responsible for giving flowers (including cannabis), fruits and spices their distinctive flavors and aromas. Common terpenes include limonene, linalool, pinene and myrcene.

Both cannabinoids and terpenes are found in the cannabis plant’s glandular structures known as trichomes. Look closely, and you’ll notice trichomes coating the cannabis flowers and leaves, giving the plant an almost frosty appearance.

macropistil/trichome
A macro view of the trichomes and pistils on the plant

Trichomes – which are found across several plant species – are a key aspect of a cannabis plant’s survival. The specific combination of metabolites produced by trichomes may attract certain pollinators and repel plant-eating animals. Moreover, trichomes (and specifically THC) may act as the plant’s form of sunscreen and shield the plant from harmful ultraviolet rays.

While they play an essential part in the cannabis plant’s lifecycle, trichomes are volatile and easily influenced by a range of environmental factors, including light, heat, physical agitation and time. Therefore, environment is a defining variable in the development of these important structures.

How LEDs Support Cannabinoid and Terpene Development in Crops
Spectrally tunable LEDs give indoor cannabis growers unparalleled control over their crops. As research has expanded about plants’ responses to the light spectrum, growers have discovered they are able to elicit certain physiological responses in the plant. This phenomenon is called photomorphogenesis. At its root, photomorphogenesis is a survival tactic – it’s how the plant responds to miniscule changes in its environment to increase the chances of reaching full maturity and, eventually, reproducing. While cultivated cannabis plants won’t reproduce at an indoor setting, growers can still use the light spectrum to encourage strong root and stem development, hasten the flowering process and the development of bigger, brightly colored flowers.

It makes sense that using the proper light spectrums may also have an impact on the production of specific cannabinoids and terpenes – an important factor when responding to highly specific consumer needs and desires, both within medical and adult-use markets.

Here are a few more reasons why utilizing full-spectrum LEDs can lead to higher quality cannabis:

  • Lower Heat, but the Same Intensity.
    When compared to HPS, fluorescent and other conventional lighting technologies, LEDs have a much lower heat output, but provide the same level of intensity (and often improved uniformity). This represents an enormous advantage for cannabis cultivators, as the lights can be hung much closer to the plant canopy without burning trichomes than they would be able to with other lighting technologies.
  • UV Light. Cannabinoids and terpenes are part of the cannabis plant’s natural defense mechanism, so it makes sense that lightly stressing plants can boost cannabinoid and terpene numbers. Some studies illustrate an increase in UV-B and UV-A light can lead to richer cannabinoid and terpene profiles.1 It’s a fine line to walk, though – too much UV can result in burned plants, which leads to a noticeable drop in cannabinoids.
  • Full-Spectrum Capabilities. The cannabis plant evolved over millions of years under the steady and reliable light of the sun. Full-spectrum is the closest thing to natural sunlight that growers will be able to find for indoor growing – and they’ve been shown to perform better in terms of cannabinoid development. A 2018 study titled “The Effect of Light Spectrum on the Morphology and Cannabinoid Content for Cannabis Sativa L.,” explored how an optimized light spectrum resulted in increased expression of cannabinoids CBG and THCV.2

This is the most important tip for indoor growers: your plants’ environment is everything. It can make or break a successful harvest. That means cultivators are responsible for ensuring the plants are kept in ideal conditions. Lights are certainly important at an indoor facility, but there are several other factors to consider that can affect your lights’ performance and the potency of your final product. This includes your temperature regulation, humidity, the density of plants within the space, CO2 concentration and many other variables. For the best results, your lights should be fully aligned with other environmental controls in your space. Nothing sabotages a once-promising crop like recurrent issues in the indoor environment.

solsticegrowop_feb
Indoor cultivation facilities often use high powered lights that can give off heat

Cannabinoids and terpenes take time to develop – so cultivators will want to avoid harvesting their plants too early. On the other hand, these compounds begin to degrade over time, so growers can’t wait too long either.

Cultivators seeking potent cannabinoid and terpene profiles must find a happy medium for the best results – and the best place to look is where cannabinoids and terpenes develop: the trichomes. With a microscope, cultivators can get up close and personal with these sparkly structures. Younger plants begin with clear trichomes, which eventually become opaque and change to amber. Once your plants show amber-hued trichomes, they’re ready for harvest.

The truth here is that there’s no perfect formula to elicit show-stopping cannabinoids and dizzying terpenes with every harvest. A lot of cannabis cultivation is based around trial-and-error, finding what works for your space, your business and your team. But understanding the basics around indoor environmental controls like lighting and temperature – and how they can affect the development of cannabinoids and terpenes – is an excellent place to start. Using high quality equipment, such as full-spectrum LED lighting can boost both cannabinoid and terpene production, resulting in richer, more potent and higher quality strains.

References:

  1. Lyndon, John, Teramura, Alan H., Coffman, Benjamin C. “UV-B Radiation Effects on Photosynthesis, Growth and Cannabinoid Production of Two Cannabis Sativa Chemotypes.” August 1987. Photochemistry and photobiology. Web. https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1751-1097.1987.tb04757.x?&sid=nlm%3Apubmed
  2. Magagnini G., Grassi G., Kotiranta, S. “The Effect of Light Spectrum on the Morphology and Cannabinoid Content of Cannabis sativa L.” 2018. Medical Cannabis and Cannabinoids. Web: https://www.karger.com/Article/FullText/489030
Cannabusiness Sustainability

Designing More Sustainable Cannabis Facilities

By Sophia Daukus
1 Comment

The topic of sustainability has grown in importance and priority for both consumers and regulators. From reducing emissions to lowering energy and water consumption, cannabis growing facilities face unique challenges when it comes to designing sustainable operations. Moreover, as the cannabis market grows and usage becomes more accepted, regulatory bodies will continue to increase the number of directives to help ensure the safety and quality of cannabis products.

Non-porous flooring options are impervious in nature, helping to isolate contaminants on the surface, thus enabling proper cleanup and disposal.

Ubiquitous throughout cannabis grow rooms and greenhouses, flooring can be easily overlooked, yet offers an economical way to create more sustainable facilities. Many of today’s grow rooms are located in old retrofitted warehouses or former industrial buildings that were designed without sustainability or environmental concerns in mind.

Combined with energy efficient lighting and more thoughtful water usage, flooring can help create a more efficient facility that not only improves business operations, but also contributes to a better bottom line.

Sustainability Challenges Facing Cannabis Facilities

Whether in an old warehouse space or a new structure designed from the ground up, cannabis businesses face unique operational challenges when it comes to sustainable best practices.

  • Energy Consumption: Like any indoor farm, lighting plays an important role in cannabis growing facilities. Traditional grow lights can utilize a large amount of electricity, putting a strain on the company budget as well as regional energy resources. Switching to highly-efficient LED lighting can help facilities reduce their consumption, while still maximizing crop yield.
  • Water Consumption: Among the thirstiest of flora, cannabis plants require consistent and plentiful watering for healthy and fruitful crop production.
  • Carbon Dioxide (CO2) Enrichment: In many cases, carbon dioxide is introduced into facilities to help enhance the growth of crops. However, this practice may pose safety and health risks for workers, the surrounding community and the planet at large. CO2 is a greenhouse gas known to contribute to climate change.

In order to head off upcoming regulatory restrictions, as well as to alleviate the mounting safety and health concerns, it behooves cannabis grow room managers and owners to explore alternatives for improving sustainability in their facilities.

Flooring Requirements for More Sustainable Cannabis Facilities

Spanning thousands or even hundreds of thousands of square feet throughout a facility, flooring can be a unique way to introduce and support sustainable practices in any grow room or greenhouse.

When seeking to improve operational efficiency and implementing the use of sustainable practices in cannabis facilities, look for flooring systems with the following characteristics:

  • Impervious Surfaces— Fertilizers, fungicides, and other chemicals can infiltrate porous unprotected concrete to leach through the slab matrix and into the soil and groundwater below. Non-porous flooring options, such as industrial-grade, fluid-applied epoxies and urethanes, are impervious in nature, helping to isolate contaminants on the surface, thus enabling proper cleanup and disposal.
  • Light-Reflective Finishes— Light-colored white or pastel floor surfaces in glossy finishes can help reduce the amount of energy needed to properly illuminate grow rooms. By mirroring overhead lighting back upward, bright, light-reflective flooring can help minimize facilities’ reliance on expensive ceiling fixtures and electricity usage.
  • USDA, FDA, EPA, OSHA and ADA Compliancy— With cannabis industry regulations currently in flux, grow facilities that select food- and pharmaceutical-compliant flooring will be ahead of the game. Governing bodies in some states have already begun expanding the facility requirements of these sectors to the cannabis market.
  • Durable and Easy Care— Having to replace flooring every couple of years imposes high costs on businesses as well as the environment. Installation of many traditional types of flooring produces cut-off waste and requires landfill disposal of the old floor material. In contrast, by installing industrial-grade flooring systems that are highly durable and easy-to-maintain, facilities can count on long-term performance and value, while helping to minimize disposal costs and concerns.
Light-colored white or pastel floor surfaces in glossy finishes can help reduce the amount of energy needed to properly illuminate grow rooms.

Optimal flooring can help cultivation facilities reduce waste, improve the efficacy of existing lighting and lengthen floor replacement cycles for a better bottom line and a healthier environment. Additionally, having the right grow room floor can assist facilities in meeting regulatory requirements, help ensure production of quality products and improve the safety for consumers and staff.

Flooring Benefits for Employees and Consumers

Safety is paramount in any workplace. When it comes to the manufacture of foodstuffs and other consumed products, government oversight can be especially stringent. With the right compliant flooring in place, cultivation facilities can focus on the rest of their business, knowing that what’s underfoot is contributing to the safety of employees and their customers.

Here’s how:

  • Chemical Resistance— Floors can be exposed to a high concentration of chemicals, acids and alkalis in the form of fertilizers, soil enhancers and other substances. In processing locations, the proper disinfecting and sanitizing of equipment can require harsh solvents, detergents and chemical solutions, which can drip or spill onto the floor, damaging traditional flooring materials. It pays to select cannabis facility flooring with high chemical resistance to help ensure floors can perform as designed over the long term.
  • Thermal Shock Resistance— Optimal cannabis facility flooring should be capable of withstanding repeated temperature cycling. Slab-on-grade structures in colder climates may be especially vulnerable to floor damage caused by drastic temperature differences between a freezing cold concrete slab and the tropical grow room above. This extreme contrast can cause certain floor materials to crack, delaminate and curl away from the concrete substrate. The resulting crevices and uneven surfaces present trip and fall hazards to employees and leave the slab unprotected from further degradation. As an alternative, thermal shock-resistant floors, such as urethane mortar systems, furnish long-lived functionality even when regularly exposed to extreme temperature swings.
  • Humidity and Moisture Resistance— Traditional floor surfaces tend to break down in ongoing damp, humid environments. Cannabis facility flooring must be capable of withstanding this stress and more.
  • Pathogen Resistance— Undesirable microbes, fungi and bacteria can thrive in the moist, warm environments found in grow rooms. Floors with extensive grout lines and gaps provide additional dark, damp locations for pathogen growth. Fluid-applied flooring results in a virtually seamless surface that’s directly bonded to the concrete. Integral floor-to-wall cove bases can further improve wash down and sanitation.
  • Proper Slope and Drainage— Where food and/or pharmaceutical facility regulations have already been extended to cannabis operations, flooring is required to slope properly toward a floor drain. This prevents puddling, which can be a slip hazard as well as a microbe breeding ground. Unlike more typical materials, resinous flooring offers an economical solution for correcting floor slope wherever needed.

The Problems Presented by Traditional Flooring Options

Previously, cannabis growers often relied on traditional greenhouse-type flooring, including tamped down dirt floors, gravel or bare concrete. However, current and upcoming regulations are curtailing the use of these simple flooring options.

Growers often compare and contrast the benefits and value of traditional greenhouse flooring with more modern solutions, such as fluid-applied epoxy and urethane floors.

Dirt and gravel flooring offers little opportunity to properly sanitize, thus potentially inviting microorganism and pathogen invasion, contamination and costly damage. Growers who have turned to bare concrete floors face other concerns, including:

  • Unprotected concrete is inherently porous and therefore able to quickly absorb spilled liquids and moisture from the air. In addition, organic and synthetic fertilizers, fungicides, and chemicals can leach through the concrete floors, contaminating the groundwater, injuring the surrounding environment and wildlife.
  • Older slabs often lack an under-slab vapor barrier. Even in new construction, a single nail hole can render an under-slab barrier ineffective. In these situations, moisture from underneath the floor slab can move upward osmotically through the alkaline slab, leading to blistering and damage to standard commercial floor coverings.
  • Bare concrete floors can stain easily. These dark stains tend to absorb light instead of reflecting it, contributing to a potential increase in energy usage and cost.
  • The mold proliferation encouraged by the warmth and humidity of grow rooms can easily penetrate into the depths of unprotected slab surfaces, eventually damaging its structural integrity and shortening the usable life of the concrete.

While traditional greenhouse flooring options can initially seem less expensive, they frequently present long-term risks to the health of cannabis grow businesses. In addition, the performance of dirt, gravel and bare concrete floors runs counter to the industry’s commitment to reducing the carbon footprint of growing facilities.

Choosing Sustainable Grow Room Flooring

It’s no secret that the cannabis industry is undergoing enormous change and faces numerous environmental challenges. Luckily, optimal flooring options are now available to help growers economically increase their eco-friendly practices on many fronts. By focusing on quality resinous flooring, cannabis growers can get closer to meeting their sustainability goals, while simultaneously contributing to improved operation efficiency, enhanced yields and an increased bottom line.

Alcaliber Spinoff Linneo Health Gets Greenhouse GMP Certification In Spain

By Marguerite Arnold
No Comments

As the industry faces what is undoubtedly a watershed moment for the international cannabis vertical, a new Spanish firm steps into the market with its own EU GMP certification license. Linneo Health is also helmed by the ever eloquent and highly experienced Jose Antonio de la Puente – a tall drink of water with a conscience, a brain and an admirable mission statement.

As Cannabis Industry Journal broke in our last story, a lack of international standards in Europe have been on trial of late. The same day that the CannTrust scandal began to blow in Canada and as Danish authorities rang global alerts, the only qualified packager in Holland was issued a new EU GMP cert. That is a government decision, not a commercial one.

This also implies, at minimum, government lack of coordination and agreement on EU GMP cert even between European nations, for a nascent industry while also trying to avoid the thorny issue of patient home grow. See also the trials and travails of the erstwhile German cultivation bid and its reconstituted Frankenstein-esque bigger if younger sister. In fact, this contretemps is almost certainly involved if not indirectly to blame.

Not All Is Entirely Rosy On Cannabis Europe’s Eastern Front

Almost simultaneously to Linneo Health’s announcement, however, the news came that in Poland, authorities had suspended the pending product registration process. Will this be on hold until after the October election?

In this environment it is almost impossible to know.

Here is one thing to consider. These almost simultaneous developments in Spain and Poland and the newest announcement about further certification of the Dutch recreational system under a new pending “recreational trial” are almost directly related.

That said, even such political maneuverings are not new – and far from limited to any single company. Both Germany and Poland have been wracked by reform stuttered by short term gain and market entry strategies executed by most of the biggest players in the room. Aurora, for example, announced their first import into Poland the same day the Polish government changed the law last fall. Aurora uses Germany as its breakpoint distribution center for Europe.

A Stamp of Authenticity That Is Sorely Needed

Beyond the pharma and market entry politics, however, this Alcaliber-helmed project creates a ring of authority to the same that creates at least one cannabis brand the European medical community can see the certification for.

For now at least, certainly among the ranks of the upper echelons of the international cannabis industry, there must surely be a sigh of relief.

EU GMP certifications (in other words, the authorization to produce product bound for a medical, pharma market) do not happen overnight. On the European front, this is surely at least a step in the right direction for an industry embattled by scandals, particularly of the securities, production, certification and accounting kind right now.

In this case, however, it is also clear that no matter the egregious oversteps and potentially illegal and certainly dubious behaviour of some members of the industry, there are also clearly those within it, and at high levels, who have tried to do the right thing. And further, from the beginning of the nascent industry here as of 2015.

Who Is Alcaliber?

Alcaliber is one of the world’s largest opioid manufacturers. Unlike American counterparts, the company decided several years ago to invest in and back ideas of the opioid-to-cannabinoid therapy model. Linneo Health is a 60% subsidiary of Alcaliber and 40% owned by a Spanish family office called Torreal, S.A.

This is, as a result, one of the most important GMP licenses in Europe at the moment if not the world. It means that within a pharmaceutical environment, the first widespread research and production of plants and therapies for those suffering from both chronic pain, plus neurological and oncological conditions that cause or are related to the same, will be put on a fast track long in the offing. Certainly in Europe.

And that for one, is a positive development that will have widespread implications elsewhere. Particularly given the news that the opioid epidemic in the United States finally has a name, and culpable parties.

What Else Is Unusual About This Project?

GMP certification is a vastly misunderstood concept at the moment. It is also a highly thorny one because of a still standardizing set of agreements. The regulatory environment is in place, in other words, but there are many, many gaps, as well as shifting rules and underlying treaties.

GMPHowever, on top of this, there is also an amazing lack of innovation in interpretation, in part because of many misadvised consultants who are actually seeking to “save” production costs for their clients, or because they do not know any better. Or because producers are scared of doing the wrong thing.

The new project in Spain is unusual because it is a greenhouse grow that got EU GMP cert – although look for more of this in the future. It means that with careful, standardized, pharma production, not all regulated cannabis grows, even for the medical market, have to use huge amounts of energy in repurposed post-industrial developments. It is also certainly cleaner than growing outside. And, when done right, saves huge amounts of water.

Cleantech, in other words, has finally hit the cannabis industry in Europe. As well as a pharmaceutical company invested in the cannabinoid treatment of (at least) chronic pain.

That is an overdue and hugely positive development. No matter what else can be said for shenanigans engulfing the rest of the industry at the moment.