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1 不同处理下旱地小麦各生育时期0~80 cm土壤蓄水量变化

Table 1 Changes of 0-80 cm soil water storage at different growth stages of dryland wheat under different treatments mm

播种方式 Sowing method 播量 Sowing rate 拔节期 Jointing 开花期 Anthesis 灌浆期 Filling 成熟期 Maturity C1 D1 146.98e 108.84f 92.46ab 84.40ab D2 156.19d 128.30e 88.43bcd 81.72abcde D3 148.37e 125.02e 91.67abc 83.11abc D4 143.28e 106.50f 93.30a 85.60a 均值 148.71B 117.17C 91.47A 83.71A C2 D1 166.98bc 138.55bcd 90.78abc 82.57abcd D2 169.66abc 141.86abc 87.06cd 79.46cde D3 167.41bc 140.20abc 88.92abcd 81.79abcde D4 165.06c 134.30d 92.17ab 83.35abc 均值 167.28A 138.73B 89.73A 81.79A C3 D1 167.76abc 140.86abc 88.11bcd 80.53bcde D2 171.13ab 142.83ab 86.91cd 78.17de D3 172.92a 145.91a 84.77d 77.00e D4 166.48bc 136.15cd 90.31abc 81.55abcde 均值 169.57A 141.44A 87.53B 79.31B F值 F-value C 88.28** 30.45** 10.98** 29.01** D 5.06* 4.46 8.45* 12.93** C×D 2.41 7.93** 0.76 0.34