覆膜处理虽在产量和水分利用效率上略高于盖草处理，但差异不显著，且覆膜处理存在成本高，污染土壤等缺陷。

There was no significant difference of rice grain yields between the treatments of straw mulching and plastic film covering but the cost and soil pollution in the latter should be concerned.

youdao

覆膜处理虽在产量和水分利用效率上略高于盖草处理，但差异不显著，且覆膜处理存在成本高，污染土壤等缺陷。

There was no significant difference of rice grain yields between the treatments of straw mulching and plastic film covering but the cost and soil pollution in the latter should be concerned.

youdao