Cannabis growers know the importance of having good growth media. A warehouse full of well-ventilated, well-lit, well-irrigated plants will soon be full of dead plants if the soil they’re planted in is barren.
Growers ensure that their growth media is stocking a full larder for their crop by doing the stocking themselves, with fertilizer. However, not all fertilizers are the same, and they can be thought of as coming in two types: organic and chemical.
Chemical fertilizers come with very specific labeling of their ratios of nutrients. The N-P-K number tells the buyer the amounts of nitrogen, phosphorous, and potassium respectively in the bag. A grower who knows exactly what their soil needs are can develop a formula that is balanced for needs. Properly used, chemical fertilizers can increase plant growth and THC production.
Organic fertilizers are more expensive, as a rule. However, organic fertilizers improve the health of the soil as well as providing nutrients for the plants. Having a healthy growth medium is good for the plant, and good for the grower who is looking to reuse the same media over and over.
Organic fertilizers tend to release their nutrients slower, making them unsuited to emergency nutrient infusions. On the other hand, that same slow speed means organic users won’t risk chemically burning their plants, and are likely to have less nutrient runoff than users of chemical fertilizers.
Even if state and local regulations specific to marijuana cultivation do not specify controlling nutrient runoff, it’s something important to consider. Nutrient runoff can cause environmental problems like algae blooms, and stormwater quality is an increasing concern in many states. If nutrient runoff starts to become a real problem among nascent marijuna grows, those cultivators that considered all the effects of their fertilizer choices will be glad they did so.