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我国农民历来就有施用有机肥料的习惯,认为它是改良土壤性质,提高土壤肥力的重要措施,并把它作为培育稳产高产农田的一项基本建设。有机肥料中具有丰富的有机质、
Peasants in our country have always had the habit of applying organic fertilizers. They think it is an important measure to improve soil properties and soil fertility, and regard it as a basic project for cultivating stable and high yielding farmland. Organic fertilizers are rich in organic matter,