氮、磷、钾不同施肥配比效应对人工混播草地产量与品质的影响
담、린、갑불동시비배비효응대인공혼파초지산량여품질적영향
Research of the Effect of Different Ratio of Nitrogen,Phosphorus and Potassium Fertilization on the Yield and Quality of Artificial Mixed Pasture
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