不同尿素类型及施用方式对滴灌冬小麦植株性状及产量构成的影响

李杰, 张永强, 雷钧杰, 吕晓庆, 陈传信, 徐其江, 聂石辉, 徐文修, 常旭虹

Effects of Different Urea Types and Application Methods on Plant Characteristics and Yield Composition of Winter Wheat under Drip Irrigation

Li Jie, Zhang Yongqiang, Lei Junjie, Lü Xiaoqing, Chen Chuanxin, Xu Qijiang, Nie Shihui, Xu Wenxiu, Chang Xuhong

表4 不同处理下滴灌冬小麦产量及其构成因素的变化

Table 4 Changes of yield and its components of drip-irrigated winter wheat under different treatments

处理 Treatment 不孕小穗数 Sterile spikelets 可孕小穗数 Fertile spikelets 有效穗数 Effective spikes (×104/hm2) 穗粒数 Grains per spike 千粒重 1000-grain weight (g) 产量 Yield (kg/hm2) 收获指数 Harvest index (%) F0 2.96a 15.18b 718.14c 27.34c 33.71c 7572.33c 31.78b F1 2.91a 15.75b 740.06bc 35.89b 34.24bc 8185.91bc 33.21b F2 2.62a 15.94b 750.26b 36.60ab 35.44ab 8519.03b 33.77b F3 2.52a 16.22b 767.27ab 37.51ab 35.89ab 8646.84ab 35.04b F4 2.22a 17.36a 784.28a 38.66a 36.63a 9210.95a 36.25a