Potassium: From the three elements, the usage of nitrogen fertilizer ranks the very first, accompanied by potassium fertilizer,potassium can promote the growth of robust crops, stalks thick and really hard, improve the resistance to pests and conditions and lodging;Encourages the production of sugar and starch;Potassium performs a job in afterwards https://garrettphwlb.activablog.com/31921284/high-yield-fertilizer-npk-12-12-17-2-b-te-options