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利用中国农业科学院昌平土壤肥料长期定位试验站,对在合理配合施用化肥的前提条件下增施鸡粪后对水稻产量和土壤肥力的变化进行研究。
Using Changping Soil Fertilizer Long-term Positioning Station of Chinese Academy of Agricultural Sciences, the change of rice yield and soil fertility after applying chicken manure on the premise of reasonable application of fertilizers was studied.