marginal lands meaning in English

边缘土地

Marginal land is the last to be planted under good conditions and the first to be avoided when situations are bad
边角土地是在较好的条件下最后耕种的土地，是在不好的条件下首先放弃的土地。
Yet there are uses for marginal land . most often it is used as grassland . grasses provide excellent feed for grazing animals like cattle , sheep and goats
然而，边角土地也是有用的。通常用作牧场草地。牧草是食草鞋动物优质的食物，如牛，山羊和棉羊。
As a result a great many of them depend for their survival on exploitive types of agriculture , cultivating steeplands and other marginal lands , cutting down vegetation for fuel or to plant crops , using animal dung for fuel or as building material , instead of using it as organic fertilizer
由于数以百万计人口处于低收入的贫困状况，他们无力购买必需的食品、衣物和燃料，其结果是，这部分人不得不为生存而掠夺农业，例如垦荒、利用坡地、砍伐植被作燃料或利用动物粪便作燃料及建筑材料，而非用作有机肥。