用大量秸秆残茬覆盖地表是保护性耕作的主要特征之一。
Using many straws to cover the earth is one of main character of protection cultivation.
经济效益的分析将有利于保护性耕作的推广应用。
This analysis result will be propitious for wide adoption of conservation tillage.
经济效益的分析将有利于保护性耕作的推广应用。
This analysis result will be propitious for wide adoption of conservation tillage.
应用推荐