西北干旱灌区不同地膜覆盖利用方式对玉米水分利用的影响

殷文,郭瑶,范虹,樊志龙,胡发龙,于爱忠,赵财,柴强

Effects of Different Plastic Film Mulching and Using Patterns on Soil Water Use of Maize in Arid Irrigated Area of Northwestern China

YIN Wen,GUO Yao,FAN Hong,FAN ZhiLong,HU FaLong,YU AiZhong,ZHAO Cai,CHAI Qiang

表1 研究区域0—60 cm土层土壤理化特性

Table 1 Soil physical and chemical properties across 0-60 cm soil depth at arid irrigated of northwestern China

土层深度 Soil depth (cm) 容重 Bulk density (g·cm-3) 萎蔫点 Wilting point (%) 田间持水量 Field capacity (%) 土壤养分含量Soil nutrition content (g·kg-1) 土壤有机质 Organic matter 全氮 Total nitrogen 全磷 Total phosphorous 0-20 1.46 6.7 20.2 14.8 0.78 1.17 20-40 1.53 9.6 23.4 14.4 0.76 1.14 40-60 1.54 10.2 26.2 13.5 0.70 1.10