Potassium: From the three elements, the usage of nitrogen fertilizer ranks the 1st, followed by potassium fertilizer,potassium can boost the growth of strong crops, stalks thick and tough, greatly enhance the resistance to pests and ailments and lodging;Promotes the manufacture of sugar and starch;Potassium plays a role in later on https://affordablenpk12-12-17-2bt37012.life3dblog.com/31769236/5-essential-elements-for-npk-12-12-17-2-b-te-for-improved-soil-fertility