WHAT DOES NPK 20-20-20 LIQUID FORM MEAN?

The primary inorganic source of potassium to be used in NPK fertilizers is potash. Like phosphate rock, potash is mined all over the earth and processed into a much more refined product. Potassium might also come from potassium sulfate, langbeinite, and granite dust.The photo voltaic radiation is straight proportional to the heat achieving the soil