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施肥是为了营养作物。合理施肥的目的是为了充分发挥肥料的最大增产效益。化肥要做到合理施用和经济用肥与很多因素有关,特别是和作物所需营养成份与需肥规律的关系更为密切。
Fertilization is for nutritious crops. The purpose of rational fertilization is to give full play to the maximum yield of fertilizers. Fertilizer to be rational use and economic use of fertilizer and many factors, especially with the nutrients required by the crop and the law of fertilization more closely.