Potassium: In the three elements, the usage of nitrogen fertilizer ranks the main, followed by potassium fertilizer,potassium can encourage the growth of strong crops, stalks thick and difficult, increase the resistance to pests and diseases and lodging;Promotes the production of sugar and starch;Potassium plays a role in later on phases https://ordernpk12-12-17-2btefert04592.estate-blog.com/31888292/not-known-facts-about-specific-fertilizer-needs