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ke jiang jie di mo de jiang jie xing neng ji dui tu rang wen du shui fen he yu mi sheng chang fa yu he chan liang de ying xiang
Author(s): 
Pages: 41-43
Year: Issue:  4
Journal: Water Saving Irrigation

Keyword:  可降解地膜土壤水分含量土壤温度玉米;
Abstract: 针对普通地膜覆盖技术对农业环保负面效应的问题,进行了3种降解母粒含量和普通地膜玉米栽培对比试验,重点观察探讨降解地膜的可降解性能及对土壤水分、温度和玉米生产、产量的影响。结果表明,达华3号(含7%降解母粒)在玉米全生育期降解性能可达到3级水平,而达华1号和达华2号降解性能仅分别达到1级和2级水平。可降解膜对玉米生育期、产量及土壤水分的影响与普通地膜区别不大,但在生育后期对地表温度的影响较大。
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