control of nematode

例句：

1. 1. The researcher found that the bacteria could control thenematode population effectively.
   研究人员发现这种细菌能有效控制线虫数量。
2. 2. The farmersused a new method to control the nematode in their fields.
   农民们采用了一种新的方法来控制田间的线虫。
3. 3.The nematode is a common pestin many agricultural areas, and its controlis crucial for crop yield.
   线虫是许多农业地区常见的害虫，其控制对农作物产量至关重要。