其次是大垄双行覆膜，块根产量、产糖量比对照小垄直播分别提高31.5%、33.1%。

Moreover, the root yield and sugar yield for film mulching two lines within wide row were increased by31.5%and33.1%respectively.

youdao

其次是大垄双行覆膜，块根产量、产糖量比对照小垄直播分别提高31.5%、33.1%。

Moreover, the root yield and sugar yield for film mulching two lines within wide row were increased by31.5%and33.1%respectively.

youdao