When weeds become a serious problem, they also can be controlled with mechanical cultivation or flame weeding.

当杂草比较严重时，还可进行机械锄草或火烧。

youdao

When weeds become a serious problem, they also can be controlled with mechanical cultivation or flame weeding.

当杂草比较严重时，还可进行机械锄草或火烧。

youdao