Little rain and poor soil fertility are problems in that area, as in other parts of southern Africa.
少于和土地不够肥沃是那个地区的问题，同样也是南部非洲其他地区的问题。
The best bit, according to Rademakers, is that adding the 'char' to poor soil dramatically increases its fertility, so the world could kill two birds with one stone.
最棒的一点是，Rademakers说，如果将得到的“生物炭”加入到贫瘠的土壤中可以大幅度地提高它的肥力，这对全世界真是一石二鸟。
It's denseness prolificacy fertility make a sharp contrast with the sparse and poor native soil.
它稠密、多产、肥沃，与当地稀疏、贫瘠的土壤形成鲜明的对比。
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