春季灌水对晋南晚播冬小麦产量和水分利用的影响

杨娜, 席吉龙, 王珂, 席天元, 张建诚, 姚景珍, 王健

Effects of Spring Irrigation on Yield and Water Utilization of Late-Sowing Winter Wheat in Southern Shanxi

Yang Na, Xi Jilong, Wang Ke, Xi Tianyuan, Zhang Jiancheng, Yao Jingzhen, Wang Jian

表3 不同灌溉模式对产量及其构成因素的影响

Table 3 Effects of different irrigation patterns on yield and its components

年份 Year 播期（月-日） Sowing date (month-day) 处理 Treatment 穗数 Spike number (×104/hm2) 穗粒数 Grain number per spike 千粒重 1000-grain weight (g) 产量 Yield (kg/hm2) 2018-2019 10-08 CK 552.3±63.8b 25.6±1.3bc 38.62±0.40c 7440.5±11.3b 10-27 W1 423.6±19.2c 24.3±3.5c 42.06±0.23a 4588.4±24.6d W2 532.3±7.6b 27.2±1.1b 39.38±0.33bc 7006.0±225.9c W3 541.6±7.1b 32.9±1.7a 38.01±0.58c 6987.9±24.4c W4 611.6±15.1a 32.8±2.2a 35.03±0.61d 7662.3±151.8a W5 593.6±21.7ab 30.9±1.3ab 40.92±0.54ab 7969.6±61.9a 2019-2020 10-13 CK 505.3±15.0a 39.5±1.0a 49.25±0.98a 9187.9±196.6a 10-28 W1 423.2±7.0b 34.0±0.0c 44.33±0.57d 5919.6±334.7d W2 458.2±6.0b 37.9±1.2b 45.53±0.84bc 7620.5±245.6c W3 493.2±41.0a 37.5±1.0bc 46.87±0.69bc 8020.7±109.3b W4 495.2±35.0a 34.3±1.1c 49.22±0.88a 8979.5±14.4a W5 503.3±43.0a 36.9±0.6bc 45.46±1.72b 9104.6±115.5a