北疆春玉米覆膜、滴灌技术效应研究

万晓菊,张国强,王克如,谢瑞芝,沈东萍,陈江鲁,刘朝巍,李少昆

Effects of Plastic Film Mulching and Drip Irrigation on Spring Maize in Northern Xinjiang

Xiaoju Wan,Guoqiang Zhang,Keru Wang,Ruizhi Xie,Dongping Shen,Jianglu Chen,Chaowei Liu,Shaokun Li

表1 不同灌溉方式下春玉米的产量及产量构成

Table 1 Yield and yield components of spring maize in different irrigation methods

年份Year 灌溉量(mm) Irrigation amount 处理 Treatment 实际穗数(×104hm2) Actual ears 穗粒数 Grains per ear 千粒重(g) 1000-kernel weight 子粒产量(kg/hm2) Grain yield 2017 W1 T1 8.79a 664.6a 467.3a 20 357.6a T2 8.78a 656.7a 432.9b 19 019.0b T3 8.79a 613.7b 406.1c 17 371.4c CK 8.81a 578.4c 378.3d 14 876.4d 变异来源 灌溉方式Irrigation method ns ** ** ** Sources of variation 覆膜方式Film-mulched method ns ** ** ** 灌溉×覆膜Irrigation×Film-mulched ns ** ** ** 2018 W1 T1 11.63a 576.0a 487.0a 22 407.9a T2 11.52a 530.7b 461.8b 20 822.5b T3 11.33a 482.0c 446.8c 18 896.4c CK 11.21a 442.7d 422.0d 17 013.7d 变异来源 灌溉方式Irrigation method ns * ** ** Sources of variation 覆膜方式Film-mulched method ns ** ** ** 灌溉×覆膜Irrigation×Film-mulched ns * ** ** W2 T1 11.52a 573.0a 483.4a 22 089.3a T2 11.46a 540.5b 466.0ab 20 905.3b T3 11.40a 510.0c 454.9b 19 619.3c CK 11.33a 479.0d 439.7c 18 299.8d 变异来源 灌溉方式Irrigation method ns * * ** Sources of variation 覆膜方式Film-mulched method ns ** ** ** 灌溉×覆膜Irrigation×Film-mulched ns * * **