播种方式和播量对干旱区旱地小麦土壤水分利用及产量的影响

罗晓颖, 房彦飞, 胡冬平, 唐江华, 徐文修, 王怀港

Effects of Sowing Methods and Sowing Rates on Soil Water Use and Yield of Dryland Wheat in Arid Region

Luo Xiaoying, Fang Yanfei, Hu Dongping, Tang Jianghua, Xu Wenxiu, Wang Huaigang

表4 播种方式和播量对旱地小麦产量及其构成因素的影响

Table 4 Effects of sowing method and sowing rate on yield and its components of dryland wheat

播种方式 Sowing method 播量 Sowing rate 有效穗数 Spike number (×104/hm2) 穗粒数 Grain number per spike 穗粒重 Grain weight per spike (g) 产量 Yield (kg/hm2) C1 D1 217.50e 36.85cd 1.08abc 2402.60g D2 278.34cd 39.20abcd 1.16ab 2699.43ef D3 274.17cd 37.15cd 0.97bc 2508.75fg D4 246.67de 32.70e 0.87c 2393.46g 均值 254.17C 36.48B 1.02B 2501.06B C2 D1 275.00cd 37.64bcd 1.15abc 2963.46d D2 311.67abc 41.00abc 1.21ab 3210.53abc D3 278.34cd 37.90bcd 1.07abc 3022.59bcd D4 277.50cd 35.30de 1.02abc 2871.81de 均值 285.63B 37.96B 1.11AB 3017.10A C3 D1 308.62bc 40.32abc 1.19ab 2982.51cd D2 317.24abc 41.68ab 1.23ab 3227.28ab D3 353.45a 43.40a 1.30a 3329.43a D4 329.31ab 38.88bcd 1.07abc 2927.92de 均值 327.16A 41.07A 1.20A 3116.79A F值F-value C 17.11** 15.57** 7.22* 65.77** D 2.72 9.78** 5.64* 9.73** C×D 1.89 0.91 0.56 1.29