减氮覆膜对黄土旱塬小麦产量及养分吸收利用的影响

刘凯,谢英荷,李廷亮,马红梅,张奇茹,姜丽伟,曹静,邵靖琳

Effects of Nitrogen Reduction and Film Mulching on Wheat Yield and Nutrient Absorption and Utilization in Loess Plateau

LIU Kai,XIE YingHe,LI TingLiang,MA HongMei,ZHANG QiRu,JIANG LiWei,CAO Jing,SHAO JingLin

图1 不同种植模式下0—2 m土层硝态氮残留特征

Fig. 1 Characteristics of nitrate nitrogen residue in 0-2 m soil layers under different planting patterns