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4 冬小麦主要农艺性状和籽粒产量之间的相关分析

Table 4 Correlation coefficient between main agronomic characters and grain yield in winter wheat

性状 Trait 产量 Grain yield 穗数 Spike number 穗粒数 Grain number per spike 千粒重 1000-grain weight 株高 Plant height 生物量 Biomass 穗数 Spike number 0.903** 穗粒数 Grain number per spike 0.810** 0.498 千粒重 1000-grain weight -0.552 -0.812** -0.044 株高 Plant height 0.915** 0.668* 0.934** -0.175 生物量 Biomass 0.993** 0.932** 0.758* -0.557 0.883** 水分利用效率 Water use efficiency 0.950** 0.735* 0.917** -0.261 0.981** 0.930**