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在辽宁省棕壤土上研究了不同化肥种类配合施用对玉米产量及提高化肥利用率的影响，为玉米经济合理施肥提供理论依据。
The effects of different types of chemical fertilizers on corn yield and fertilizer use efficiency were studied on brown loam soil in Liaoning Province to provide a theoretical basis for economical and rational fertilization of corn.