广播电视英语短句 第 218 课：循环放牧-2

And it can limit the need for chemical fertilizers by letting animal waste do the job of natural fertilizer. 通过让动物粪便变成自然肥料能限制化肥的使用；

Rotational grazing can even help prevent wildfires by keeping grassland in good condition. 通过保持牧场以良好的状态，循环放牧甚至可以防止野火。

Letting animals feed continually and intensively in the same grazing areas can require costly replanting. 让动物在同一牧区里连续地超强度地喂养将导致高昂的再植草成本。

Animals eat the most desirable growth first. 动物先是吃长势喜人的草地。

When that keeps happening, the roots do not have enough time to recover. 当这一情况持续发生时，草根将没有足够的时间恢复。