alfalfa dodder

例句：

1. 1. This field is rich in alfalfa, which is very good for the soil.
   这片田地富含苜蓿草，对土壤非常有益。
2. 2.The farmers use alfalfa to fertilize their fields, which helps the plants grow better.
   农民们用苜蓿草来施肥，这有助于植物更好地生长。
3. 3.Alfalfa is also used as a natural fertilizer and can help improve soil quality.
   苜蓿草也用作天然肥料，可以帮助提高土壤质量。