They render millions of hectares of land unusable, preventing farmers from tending their fields and herders from pasturing their cattle.

此外，上百万公顷的土地因此而无法开垦，农民不能耕种土地，牧民无法游放牧羊。

The land is manured, either by pasturing the cattle upon it, or by feeding them in the stable, and from thence carrying out their dung to it.

土地被施肥，要么在其上放牧牛群，要么在马厩里喂养它们，然后从那里把它们的粪便运到土地上。