种植密度和滴头间距对民勤春玉米产量及土壤水氮影响
王洋 黄兴法 伍娟 李光永
种植密度和滴头间距对民勤春玉米产量及土壤水氮影响
Effects of Planting Density and Drip Spacing on the Yield of Spring Corn and the Distribution Law of Soil Water and Nitrate Nitrogen in Minqin Area
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