bird manure

例句：

1. 1.The farm uses bird manure to fertilize the crops.
   农场使用鸟粪来施肥。
2. 2. The farmer applied a layer of bird manure on the soil before planting.
   农民在播种前在土壤上撒了一层面状的鸟粪。
3. 3. The organic matter in bird manure is beneficial for soil health.
   鸟粪中的有机物质对土壤健康有益。