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

表4 不同覆盖材料降解进程差异

Table 4 Differences in degradation process of different covering materials 月-日Month-day

材料 Material 诱导阶段 Induction phase 破裂阶段 Fracture 崩解阶段 Disintegration 完全崩解 Completely disintegrated 完全降解阶段 Complete degradation 普通地膜Ordinary plastic film 08-10 全生物降解渗水地膜 Fully biodegradable permeable plastic film 05-05 05-20 06-10 08-15 09-10 普通渗水地膜Ordinary permeable plastic film 06-05 07-21 09-20