looseness of soil

例句：

1. 1. The soil in the garden is very loose, which makes it difficult for plants to grow.
   花园里的土壤非常松散，这使得植物难以生长。
2. 2. The soil looseness can affect the growth of crops.
   土壤松散度会影响农作物的生长。
3. 3. To improve soil quality, farmers need to loosen up the soil before planting.
   为了提高土壤质量，农民在种植前需要松土。