Potassium: While in the three elements, the use of nitrogen fertilizer ranks the main, followed by potassium fertilizer,potassium can promote the growth of sturdy crops, stalks thick and difficult, enrich the resistance to pests and disorders and lodging;Encourages the production of sugar and starch;Potassium performs a task in later stages https://bulk-order-npk-12-12-17-204801.thelateblog.com/33249450/the-ultimate-guide-to-npk-12-12-17-2-b-te-for-sale