“庄稼一支花,全靠肥当家”。“种地不上粪,等于瞎胡混”。“水是庄稼的血,粪是庄稼的粮;庄稼离了水、肥命不长”。这几句农谚简单、生动、逼真地说明了肥料与作物,肥料与土壤之间的血肉关系。现在我们就来谈谈肥料问题。(一)什么是肥料?肥料对作物有什么用处?究竟什么是肥料,这个问题很难回答,有人说肥料就是 “One flower crop, all by the fat home.” “Not waste on the ground, equal to blind mix.” “The water is the blood of the crops, and the dung is the grain of the crops; the crops have left the water, and the fat life is not long.” These few proverbs simply, vividly and vividly illustrate the fleshy relations between fertilizers and crops, fertilizers and soil. Now let’s talk about the fertilizer problem. (A) What is fertilizer? What is the use of fertilizer for crops? What is fertilizer, the problem is difficult to answer, some people say that fertilizer is