Choosing the right trays for vertical microgreen growth is a decision integral to the overall outcome of your indoor farming effort. Whether you are a commercial farmer or a home gardening enthusiast, the type and quality of your microgreen trays directly influence the quality and yield of your crops. The exact trays you choose will depend on the specific type of microgreens you plan to grow, your space constraints, and budget. This consideration means well-crafted, durable, and tailor-made trays should always top your priority list.
Understanding the types of trays used for vertical microgreen growing is the first step towards making an informed choice. The two common types are growing trays and germination trays. Growing trays, also known as flat trays, are where microgreens complete their growth cycle, whereas germination trays are for the initial stages of growth.
For growing rapid-germination microgreens, consider using the shallow, flat-bottom trays. These are ideal for microgreen varieties that do not root deeply. On the other hand, deep trays are excellent for slower-growing or rooty microgreens. Most trays come with drainage holes, though it’s important to note that some don’t. The ones without drainage holes function best in hydroponic growing systems.
With vertical growth, shelving units with multiple tiers, each dedicated to a particular batch’s life stage, enable an efficient use of available space. Opting for stackable trays is a wise move as these will fit perfectly into your vertically aligned growing setup. This choice can lead to higher yields within the same footprint.
Invest in thick and sturdy trays if you’re seeking durability and longevity. They are resistant to wear and tear, preventing buckling under the weight of the growing medium and plants. Thinner trays may seem cheaper initially, but costs can add up with replacements over time.
Trays with clear lids or humidity domes are a great choice to create a controlled environment ideal for seeds in the initial germination stages. They allow light penetration while creating a mini greenhouse effect. Polystyrene trays with clear lids are common options, but you may choose food-grade, BPA-free plastic trays for a healthier alternative.
When it comes to sizes, the standard 10×20 inch tray works well for most microgreen growers due to its manageability and fit within vertical systems. However, for smaller batches, half-size trays (10×10 inches) or even quarter-sized trays (5×5 inches) can be a better choice.
While square and rectangular trays are popular due to their perfect fit on the shelves, there are circular and other uniquely shaped trays available for those growers keen on experimenting with their setup design. Kindly note that these may not be the most space-efficient choices.
Material selection is of utmost importance when choosing a microgreen growing tray. Food-safe plastic, polystyrene, coir, and biodegradable options are popular. Biodegradable choices such as hemp or wood pulp trays make for excellent eco-friendly alternatives.
The color of the tray may seem inconsequential, but it could affect the temperature of the growing medium. Darker trays absorb more heat and may lead to quicker germination but may also cause overheating issues. Lighter-colored trays, on the other hand, reflect heat and are a safe choice for growers in warmer climates.
What are you growing in? Choosing the appropriate planting medium impacts your choice of tray. For soil growers, any tray with sufficient depth and drainage capabilities will work. Hydroponics enthusiasts may opt for trays without drainage holes, while those utilizing biostrate felt, hemp mats, or coconut coir pads should go for flat, shallow trays.
In treating microgreen farming as a business, choosing trays may also involve cost-benefit analysis. Calculate your potential yield versus the cost of the trays and try to achieve a balance where profitability is maximized without compromising on quality.
Consider the cleaning and sanitation process for the chosen trays, which would directly impact your workload. Non-porous materials like food-grade plastic are easier to clean and sterilize compared to coir or other biodegradable options.
Finally, look for trays with high customer reviews and ratings. Reviews can be an invaluable resource, offering real-world experiences and insights from fellow growers who have been in your position before.
Choosing the right trays for vertical microgreen growth requires a holistic approach, factoring in everything from the type of microgreens you wish to grow, the space available, the growing medium used, and your budget. Ensuring this thoughtfulness will secure the high yield, superior quality, and efficient growth your microgreen crops deserve.
