NOT KNOWN FACTUAL STATEMENTS ABOUT NPK 20-20-20 MIXING

The main inorganic supply of potassium for use in NPK fertilizers is potash. Like phosphate rock, potash is mined everywhere in the environment and processed right into a additional refined product. Potassium can also come from potassium sulfate, langbeinite, and granite dust.Give your garden the treatment it justifies with Casa De Amor Organic NPK