地膜覆盖、氮肥与密度及其互作对黄土旱塬春玉米氮素吸收、转运及生产效率的影响
李婷，李世清，占爱，刘建亮
Effects of Film Mulching, Nitrogen Fertilizer, Plant Density and Its Interaction on Nitrogen Accumulation, Translocation and Production Efficiency of Spring Maize on Dryland of Loess Plateau
LI Ting, LI ShiQing, ZHAN Ai, LIU JianLiang
中国农业科学
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2018, (8): 1504
-1517
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DOI: 10.3864/j.issn.0578-1752.2018.08.008
