manure造句
A green
manure is a crop grown mainly to improve soil fertility.
种植绿肥作物主要是为使土壤更加肥沃.
If farm - yard
manure is used it must be well rotted.
如果使用农场的粪肥,必须让它完全腐烂.
Pig - breeding not only improves the people's diet; it makes more
manure available.
养猪不独可以改善人民生活, 还能多积肥料.