loosen soil bed的用法和样例：
- There are a couple of thing that can be done to prevent mulch overflow (which can happen if you put 3 inches of mulch on top of the soil bed).
- The Zhengzhou Huang Heping Mansion 35 storey building, 114.5 meters high, has been constructed on the natural base of soil bed with a box foundation successfully.
- There are many kinds of hoes, but all are used for loosening soil and digging up weeds.
- Mainly applicable for breaking up the clods of farmland, light and medium soil after furrow and loosening soil and fertillizer before sewing.
- Plastic mulch, while protecting the soil beds from rain-drop impact, intensifies the potential of rill erosion in furrows.