Potassium: Within the a few elements, the use of nitrogen fertilizer ranks the main, followed by potassium fertilizer,potassium can promote the growth of robust crops, stalks thick and hard, enhance the resistance to pests and health conditions and lodging;Promotes the manufacture of sugar and starch;Potassium performs a role in afterwards https://npk-12-12-17-2-b-te-for-s58023.blogrenanda.com/38848337/high-yield-fertilizer-npk-12-12-17-2-b-te-options