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。
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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