Potassium: In the 3 elements, the use of nitrogen fertilizer ranks the 1st, accompanied by potassium fertilizer,potassium can market the growth of sturdy crops, stalks thick and hard, boost the resistance to pests and health conditions and lodging;Promotes the manufacture of sugar and starch;Potassium performs a job in later phases https://purchasenpk12-12-17-2btef02457.blog5.net/75987079/the-2-minute-rule-for-50kg-npk-12-12-17-2-b-te-bag