Loss of topsoil by erosion and a reduction in soil fertility by not replacing nutrients, turn a renewable resource into a non-renewable one.
Loss of topsoil by erosion and a reduction in soil fertility by not replacing nutrients, turn a renewable resource into a non-renewable one.
侵蚀造成的表土流失以及不补充养分造成的土壤肥力下降使一种可再生资源变成不可再生的资源。