微喷补灌对麦田土壤物理性状及冬小麦耗水和产量的影响

何昕楠,林祥,谷淑波,王东

Effects of supplemental irrigation with micro-sprinkling hoses on soil physical properties, water consumption and grain yield of winter wheat

Xin-Nan HE,Xiang LIN,Shu-Bo GU,Dong WANG

表5 不同处理冬小麦产量构成因素、籽粒产量和水分利用效率

Table 5 Factors of yield, grain yield, and water use efficiency of winter wheat under different treatment

处理 Treatment 穗数 Number of spikes (×104 hm-2) 穗粒数 Grains per spike 千粒重 1000-grain weight (g) 籽粒产量 Grain yield (kg hm-2) 水分利用效率 Water use efficiency (kg hm-2 mm-1) 2016-2017 MSI 759 a 28.7 a 46.5 a 9417.2 a 21.7 a BI 788 a 29.1 a 45.9 a 9626.8 a 19.5 b 2017-2018 MSI 522 a 32.6 a 47.0 a 7898.9 a 19.7 a BI 540 a 31.4 a 46.6 a 7730.2 a 18.8 b