seedling rearing in earth ponds

例句：

1. 1.The seeds of the wildflower are tiny and hard to find.
   野花的种子很小，很难找到。
2. 2.The nursery staff carefully nurtured these young trees from seed.
   园艺人员小心翼翼地从种子中培育这些年轻的树木。
3. 3.The farmer carefully planted the seeds in the soil to ensure a good harvest.
   农民小心地将种子种在土壤里，以确保丰收。