秸秆还田结合秋覆膜对旱地冬小麦耗水特性和产量的影响

陈玉章,柴守玺,程宏波,柴雨葳,杨长刚,谭凯敏,常磊

Effects of straw-incorporation combined with autumn plastic mulching on soil water consumption characteristics and winter wheat yield in arid farming areas

Yu-Zhang CHEN,Shou-Xi CHAI,Hong-Bo CHENG,Yu-Wei CHAI,Chang-Gang YANG,Kai-Min TAN,Lei CHANG

表3 冬小麦籽粒产量和水分利用效率

Table 3 Grain yield and water use efficiency of winter wheat

处理 Treatment 株高 Plant height (cm) 生物量 Biomass (kg hm-2) 籽粒产量 Grain yield (kg hm-2) 穗数 Spike number (×104 hm-2) 穗粒数 Grain number per spike 千粒重 1000-grain weight (g) 水分利用效率 Water use efficiency (kg hm-2 mm-1) 2011-2012 CF 70.5 a 10386.1 a 4687.5 a 336.0 a 35.7 a 46.6 a 13.9 a CNF 63.2 b 8694.5 c 3941.5 b 327.6 a 31.1 b 45.8 ab 11.1 c WF 69.9 a 9765.5 b 4622.0 a 334.3 a 35.2 a 46.3 a 13.1 b WNF 59.8 c 7851.0 d 3571.0 c 310.4 b 30.4 b 44.7 b 10.2 d CK 58.9 c 7516.8 d 3529.5 c 305.3 b 30.2 b 45.0 b 9.9 d 2012-2013 CF 65.9 a 8296.1 a 3986.5 a 274.6 a 35.6 a 48.5 ab 12.3 a CNF 60.2 c 6130.9 c 3012.0 c 240.8 bc 30.4 c 48.6 ab 9.5 c WF 63.7 b 7058.7 b 3415.5 b 252.7 b 33.9 b 47.4 b 10.8 b WNF 59.6 c 5750.7 c 2810.5 c 220.2 cd 31.2 c 48.6 ab 9.6 c CK 56.1 d 4826.5 d 2353.5 d 202.2 d 27.9 d 49.1 a 8.6 d