productive soil meaning in Chinese

肥沃的土地
丰沃土

But about 20 years ago , local farmers recognized that their once - productive soil was being carried away by severe winds
但20年前当地的农民发觉他们从前的肥沃土壤已被大风吹走了。
But about 20 years ago , local farmers recognized that their once - productive soil was being carried away by severe winds
但约于20年前，当地的农民意识到他们从前肥沃多产的土壤正渐渐被猛烈的大风刮走。