不同施氮量对冬小麦产量、效益及土壤理化性状的影响

黄寅玲,雷忠顺,郑涛,索新霞

Effects of Different Nitrogen Concentrations on Yield and Benefit of Winter Wheat and Soil Physical and Chemical Properties

Yinling Huang,Zhongshun Lei,Tao Zheng,Xinxia Suo

表3 不同施氮量处理对冬小麦产量及其构成因素的影响

Table 3 Effects of different nitrogen application treatments on grain yield and its components of winter wheat

处理 Treatment 穗数(×104/hm2) Spike number 穗粒数 Kernel number per spike 千粒重(g) 1000-grain weight 产量(kg/hm2) Yield 产量排名 Production ranking W1 561.0b 32.4b 39.1b 6 453.0d 6 W2 609.0a 35.7a 42.8a 8 464.5c 5 W3 627.0a 36.9a 43.6a 9 178.5b 4 W4 639.0a 37.5a 43.9a 9 594.0a 3 W5 640.5a 37.5a 43.9a 9 607.5a 2 W6 642.0a 37.5a 43.9a 9 619.5a 1