间作作物

例句：

1. 1. In the rice fields, weeds are often planted as intercropping crops to help control pests.
   在稻田里，杂草经常被作为间作作物种植来帮助控制害虫。
2. 2. The farmer used to grow a variety of intercropping crops in his farmland.
   这位农民过去在他的农田里种植了各种间作作物。
3. 3. Intercropping crops can improve soil fertility and increase crop yields.
   间作作物可以提高土壤肥力并增加农作物产量。