Potassium: In the 3 elements, using nitrogen fertilizer ranks the first, followed by potassium fertilizer,potassium can boost the growth of strong crops, stalks thick and tough, enrich the resistance to pests and illnesses and lodging;Promotes the manufacture of sugar and starch;Potassium performs a task in later levels of plant growth, https://donovanwogyq.blogadvize.com/39985559/the-smart-trick-of-high-yield-fertilizer-npk-12-12-17-2-b-te-that-no-one-is-discussing