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1 试验田播种前0~20 cm土层土壤养分状况

Table 1 Soil nutrient contents in 0-20 cm soil layer of experimental field before sowing

生长季 Growing season 有机质 Organic matter (g kg-1) 全氮 Total N (g kg-1) 碱解氮 Available N (mg kg-1) 速效磷 Available P (mg kg-1) 速效钾 Available K (mg kg-1) 2016-2017 11.16 1.10 91.40 50.80 140.80 2017-2018 11.37 1.16 96.16 53.64 140.21