辽西半干旱区不同类型地膜降解特性及其对玉米产量的影响

冯晨,冯良山,刘琪,李昊儒,郑家明,杨宁,白伟,张哲,孙占祥

The Degradation Characteristics of Different Plastic Films and Their Effects on Maize Yield in Semi-Arid Area in Western Liaoning

FENG Chen,FENG LiangShan,LIU Qi,LI HaoRu,ZHENG JiaMing,YANG Ning,BAI Wei,ZHANG Zhe,SUN ZhanXiang

图3 不同类型地膜不同时期水蒸气透过量和力学性能的对比 不同大写字母表示不同地膜处理之间差异显著（P<0.05）,不同小写字母表示不同时期之间差异显著（P<0.05）

Fig. 3 Comparison of water vapor transmission and mechanical properties of different plastic films in different periods Different uppercase letters indicate significant difference among different plastic film treatments at 0.05 level. Different lowercase letters indicate significant difference among different period at 0.05 level