我省可用作钾肥的工农业灰分中的钾素含量以向日葵秆、玉米秆灰最高。尤其玉米秆灰在全省各地非常普遍,是一种以钾素为主的多元农家复合肥料,值得大力推广利用. Potassium in industrial and agricultural ash that can be used as potassium fertilizer in our province takes the highest content of sunflower stalk and corn stalk ash. In particular, corn stalks throughout the province is very common, is a multi-element potassium-based farm compound fertilizer, it is worth to vigorously promote the use.