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改进农肥积造方法 提高农肥品质张易，孙寒力，李占军，赵艳秋（黑龙江省土壤肥料测试中心）（青冈三中）肥料是作物的粮食，是作物丰产的物质基础。肥料的品质，直接影响施肥效果，搞清肥源养分情况，是科学施肥和安排农业生产的前提条件之一。为此，配合《全国有机肥料...
Improving the Method of Improving Agricultural Fertilizer and Improving the Quality of Farming Manure Zhang Yi, Sun Hanli, Li Zhanjun, Zhao Yanqiu (Heilongjiang Soil and Fertilizer Testing Center) (Qingguang No.3 Middle School) Fertilizer is the grain of crops and is the material basis of crop yield. Fertilizer quality, a direct impact on fertilization effect, to clarify the nutrient conditions of fertilizers, is one of the prerequisites for scientific fertilization and arrangements for agricultural production. To this end, with "national organic fertilizer ...