Potassium: While in the three elements, using nitrogen fertilizer ranks the initial, accompanied by potassium fertilizer,potassium can market the growth of strong crops, stalks thick and challenging, boost the resistance to pests and diseases and lodging;Encourages the production of sugar and starch;Potassium plays a task in afterwards phases of plant https://rowanslarf.targetblogs.com/33145885/an-unbiased-view-of-npk-12-12-17-2-b-te-for-citrus-crops