本文简要介绍了一种新型研制的保护性耕作机具——玉米免耕施肥播种机的结构设计特点与实际使用效果。

This paper introduces briefly the trait of the structure and using effect of a new-design conservation tillage machine, combined machine with no-tillage and fertilization and sowing of corn.

youdao

本文简要介绍了一种新型研制的保护性耕作机具——玉米免耕施肥播种机的结构设计特点与实际使用效果。

This paper introduces briefly the trait of the structure and using effect of a new-design conservation tillage machine, combined machine with no-tillage and fertilization and sowing of corn.

youdao