When applied to soil, you’re adding to the soil food web by introducing a healthy population of microorganisms that are aerobic in nature. These organisms hold nutrients, aerate soil, aid water retention, increase nutrient absorption in the cannabis plant, help grow healthy roots, and help prevent diseases.
The goal of compost tea is to introduce nutrients, fungal colonies, and beneficial bacteria to either the soil or foliage of a marijuana plant to aid growth and protect it from harmful disease, promoting bigger, stronger, and more resilient plants.
It’s important to get a pH meter to check the pH level of your water when mixing nutrients. Cannabis prefers a pH between 6 and 7 in soil, and between 5.5 and 6.5 in hydroponic media. Letting the pH get out of this range can lead to nutrient lockout, meaning your plants are unable to absorb the nutrients they need, so be sure to test your water regularly and make sure the nutrient mix you give plants falls within the desired range.
Organic fertilizers and nutrients can be more forgiving than liquid nutrients. They usually contain less immediately soluble nutrients and more elements that are beneficial to soil organisms.
How to make compost tea in 5 steps
Nitrogen is also part of amino acids that act as building blocks for proteins in a plant. Without the necessary proteins, your cannabis plants will be weak and frail. Nitrogen is also a part of ATP, which allows plant cells to control the use of energy.
In the final week or so before harvest, be sure to give your plants only water to clear any nutrient buildup in the buds—this is called flushing.
Potassium has a number of jobs that largely help regulate the systems that keep a plant healthy and growing. It plays a large role in osmoregulation, the passive regulation of water and salt concentrations in the plant. Potassium accomplishes this by controlling the opening and closing of the stomata—the pores in the leaves—which is how a plant exchanges CO2, H2O, and oxygen.
Compost tea recipe for marijuana plants
When creating a first batch of tea, keep the solution simple. If you use city water, allow it to sit and breathe so chlorine can break down. Once your tea is brewing, keep it out of direct sunlight and make sure the air pump is running and oxygen is being pushed through the water.
Nitrogen is also necessary to create nucleic acid, an essential ingredient in DNA or RNA, and without it, cells won’t be able to grow and multiply.
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My grandmother, who is (by all accounts) an expert gardener, recommended Spray N’ Grow to me, as I have recently found a new love in gardening. This product won me over! I recently sprayed my garden with this product, combined with Super-Thrive (a wonderful supplement found at Wal-mart, Amazon.com, etc.) and Miracle Grow, and am astonished with the results. My 1-year old weeping cherry, hydrangeas, 1-year climbing roses, etc. each have amassed at least a few feet each of new growth since. In fact, EVERYTHING I’ve sprayed has taken off like gangbusters. The hydrangeas are blooming a month or more earlier than usual. The quality of their new growth is so obvious, as it is much larger and taller than the previous (pre-treatment) new growth. My climbing roses (blue moon, queen elizabeth, and blue lady) alone have rewarded me with DOZENS of new blooms–I would venture to say at least 50 each blooming at a time! My german irises, which looked quite sickly when I received them, are now three to four feet tall and overwhelmed with large, gorgeous blooms. All this in poor, clay-heavy soil! It’s phenomenal. One thing I might offer to assist people in their use of this (or any foliar treatment) is the use of a scant amount of baby shampoo or lemon-scented dish-soap (NOT detergent–ensure it is the cheap stuff, without anti-bacterial or bleaching agents) in your sprays. I discovered this amazing secret via Jerry Baker’s books (about the best advice I found in these books). It not only acts as a superb wetting agent (thereby assisting your sprays in remaining on the leaves rather than rolling off), but helps to cleanse the foliage of pollutants and debris. I use this in place of the Coco-wet that Spray N Grow offers, as it is MUCH less expensive. The lemon-scented dish soap also offers an extra “bonus” effect of helping to prevent many bug infestations, as most of the typical pests seem to detest the lemon (or any citrus, really) scent. I also like to use it in my Round-up and other foliar treatments. Just a couple of drops is all you need (about a teaspoon per gallon), and add it in after you’ve added all your other ingredients and the water, so as to not end up with oversudsing. Happy gardening, and definitely try Spray N Grow, if you haven’t yet!