Potassium: From the three elements, the usage of nitrogen fertilizer ranks the very first, accompanied by potassium fertilizer,potassium can promote the growth of strong crops, stalks thick and hard, improve the resistance to pests and diseases and lodging;Promotes the manufacture of sugar and starch;Potassium performs a task in later stages https://donovangyqia.blog2news.com/33294272/the-fact-about-regional-fertilizer-supplier-npk-12-12-17-2-b-te-that-no-one-is-suggesting