Potassium: While in the a few elements, the use of nitrogen fertilizer ranks the primary, accompanied by potassium fertilizer,potassium can market the growth of sturdy crops, stalks thick and hard, boost the resistance to pests and health conditions and lodging;Promotes the production of sugar and starch;Potassium performs a task in https://ordernpk12-12-17-2btefert13578.blogripley.com/33288128/about-discounted-npk-12-12-17-2-b-te