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.
Fertilizer - Mechanism. 1  Fertilizers enhance the growth of plants. 2  three main macronutrients: Nitrogen (N): leaf growth; 3  three secondary macronutrients: calcium (Ca), magnesium (Mg), and sulfur (S);