不同覆盖材料对河西灌区土壤环境及玉米产量的影响
王祎, 任永福, 张正鹏, 丁德芳, 张靖, 刘祎鸿, 孙多鑫, 陈光荣

The Effects of Different Covering Materials on Soil Environment and Maize Yield in Hexi Irrigation Area
Wang Yi, Ren Yongfu, Zhang Zhengpeng, Ding Defang, Zhang Jing, Liu Yihong, Sun Duoxin, Chen Guangrong
图1 不同覆盖材料对玉米根系分布的影响
Fig.1 The effects of different covering materials on the distribution of maize roots