耕作、施氮和密度及其互作对旱地春玉米土壤水分及产量形成的影响
李敖,张元红,温鹏飞,王瑞,董朝阳,宁芳,李军(
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Effects of Tillage, Nitrogen Application, Planting Density and Their Interaction on Soil Moisture and Yield Formation of Spring Maize in Dryland
LI Ao,ZHANG YuanHong,WEN PengFei,WANG Rui,DONG ZhaoYang,NING Fang,LI Jun()
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图3. 2017—2018不同处理春玉米各生育时期叶面积指数
Fig. 3. Effect of different treatments on the leaf area index of spring maize under different periods in 2017-2018
