Potassium: During the 3 elements, the usage of nitrogen fertilizer ranks the very first, accompanied by potassium fertilizer,potassium can market the growth of sturdy crops, stalks thick and hard, enhance the resistance to pests and illnesses and lodging;Encourages the manufacture of sugar and starch;Potassium performs a job in later stages https://retail-pack-npk-12-12-1791356.blogkoo.com/npk-fertilizer-for-root-development-secrets-52197891