unmulched

例句：

1. 1. The soil was unmulched before the planting.
   种植前土壤未翻松。
2. 2. The farmer decided to unmulch the field for better drainage.
   农民决定翻松田地以便更好的排水。
3. 3. The unmulched soil is rich in nutrients and can be used directly for planting.
   未翻松的土壤富含养分，可以直接用于种植。