Potassium: During the three elements, the usage of nitrogen fertilizer ranks the main, followed by potassium fertilizer,potassium can promote the growth of robust crops, stalks thick and really hard, enhance the resistance to pests and conditions and lodging;Encourages the creation of sugar and starch;Potassium plays a task in afterwards levels https://rowanslarf.targetblogs.com/33145885/an-unbiased-view-of-npk-12-12-17-2-b-te-for-citrus-crops