Unlike fast-acting drugs like heroin or cocaine, marijuanaâs active ingredient is stored in your body and can be detected for up to four weeks in long-term users. Your body stores THC in fat cells, which release the chemical slowly into the bloodstream.
There are three main types of fertilizers: organic, water-soluble and synthetic. Organic fertilizers are made from natural ingredients and have a slow release, meaning that the materials in these fertilizers must be broken down by soil microorganisms for the gradual release of nitrogen and other elements.
What Do the Numbers on Fertilizer Mean? The three numbers on fertilizer represents the value of the three macro-nutrients used by plants. These macro-nutrients are nitrogen (N), phosphorus (P) and potassium (K) or NPK for short.