But the plants in the fallow field give us green manure.

耕地里的物给我们带来了绿肥。

We used the wild sunflowers as green manure before planting our corn crop.

在玉之前，我们用野生向日葵作为绿肥。

Two years at a time, our land is in green manure, which is where it's basically regenerating and building fertility, restoring health after many years of arable production.

我们的土地每隔两年就绿肥，这实际上是在让土地自我恢复和积累肥力，修复多年耕作后受损的健康状况。