潜育层是通过潜育作用形成的。
水稻土有较长耕作历史，并已形成了潜育层和潴育层，但土壤肥力并不高。
The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either.
水稻土有较长耕作历史，并已形成了潜育层和潴育层，但土壤肥力并不高。
The paddy soil probably had a long history of tillage, and furthermore it had formed gley horizon and illuvium, but its fertility was not high either.
应用推荐