耕作方式与灌水次数对砂姜黑土冬小麦水分利用及 籽粒产量的影响

王永华,刘焕,辛明华,黄源,王壮壮,王金凤,段剑钊,冯伟,康国章,郭天财

Effects of Tillage Practices and Irrigation Times on Water Use Efficiency and Grain Yield of Winter Wheat in Lime Concretion Black Soil

WANG YongHua,LIU Huan,XIN MingHua,HUANG Yuan,WANG ZhuangZhuang,WANG JinFeng,DUAN JianZhao,FENG Wei,KANG GuoZhang,GUO TianCai

表7 耕作与灌水对砂姜黑土冬小麦产量及产量构成因素的调控效应

Table 7 Effects of tillage and irrigation on yield and yield components of winter wheat in lime concretion black soil

年份 Years 处理 Treatment 成穗数 Spike number (104·hm-2) 穗粒数 Kernel number per spike 千粒重 1000 grain weight (g) 产量 Yield (kg·hm-2) 2015-2016 旋耕RT W0 497.4b 38.70ab 45.41ab 6528.60e W1 536.77ab 37.45bc 41.69cd 8046.90b W2 534.39ab 35.6c 40.51d 7536.15c 深松SS W0 536.18ab 38.92ab 46.35a 6984.60d W1 569.49a 40.48a 43.56bc 8507.85a W2 573.53a 37.59bc 42.07cd 7833.30b 耕作T 5.521* 8.926* 8.49* 31.29*** 灌水I 2.438 6.881* 29.825** 149.69*** 耕作×灌水T×I 0.018 1.967 0.299 0.55 2016-2017 旋耕RT W0 659.88c 30.87c 42.74ab 7474.23d W1 717.78abc 36.34a 39.97cd 9339.25b W2 726.12ab 33.71b 38.22d 8407.08c 深松SS W0 683.98bc 29.43c 44.94a 8129.27c W1 732.83ab 36.67a 41.20bc 9958.63a W2 770.82a 33.50b 40.01cd 9277.32b 耕作T 3.22 0.43 6.59* 56.40*** 灌水I 8.46** 29.97*** 16.92** 126.19*** 耕作×灌水T×I 0.32 0.61 0.18 0.68