humate biological organic fertilizer

DAP 18 46 0 DAP is used as a fertilizer. When applied as plant food, it temporarily increases the soil pH, but over a long term the treated ground becomes more acidic than before upon nitrification of the ... Lire la suite

NPK Fertilizers are usually labeled with three numbers, as in 18-20-10, 15 15 15, 10 10 10... indicating the relative content of the macronutrients nitrogen (N), phosphorus (P), and potassium (K), respectively. ... Lire la suite

Humic Acid Humic substances are organic compounds that are important components of humus, the major organic fraction of soil, peat, and coal (and also a constituent of many upland streams, dystrophic lakes, and ... Lire la suite