The improving effect of shallow ploughing and deep digging to low-wet soil was studied in this paper.

本文通过大区对比法对浅翻深松改良低湿耕地的效果进行研究。

youdao

The improving effect of shallow ploughing and deep digging to low-wet soil was studied in this paper.

本文通过大区对比法对浅翻深松改良低湿耕地的效果进行研究。

youdao