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1 麦田有效降水总耗水量及其分配

Table 1 Field evapotranspiration of effective precipitation and its distribution

处理 Treatment 农田耗水量 Field evapotranspiration (mm) 有效降水 Effective precipitation (≥ 5 mm) 土壤贮水消耗 Soil water consumption 总量 Amount (mm) 比例 Ratio (%) 总量 Amount (mm) 比例 Ratio (%) 2011-2012 CF 292.8 b 206.4 70.5 a 86.4 b 29.5 b CNF 310.5 a 206.4 66.5 b 104.1 a 33.5 a WF 307.7 a 206.4 67.1 b 101.3 a 32.9 a WNF 307.9 a 206.4 67.0 b 101.5 a 33.0 a CK 311.8 a 206.4 66.2 b 105.4 a 33.8 a 2012-2013 CF 275.0 a 179.6 65.3 c 95.4 a 34.7 a CNF 267.6 a 179.6 67.2 bc 88.0 a 32.8 ab WF 267.4 a 179.6 67.2 bc 87.8 a 32.8 ab WNF 245.5 b 179.6 73.2 b 65.9 b 26.8 b CK 224.8 c 179.6 80.2 a 45.2 c 19.8 c