地膜覆盖
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cultivation with plastic mulching
塑料覆盖栽培
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Results indicated that the best control effect and yield increase were obtained from the cultivation of early sowing with plastic film mulching.
结果表明，早播覆膜防病增产效果最好，防效达827％，产量成倍增加。
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