过度放牧(这同样也被“传统的”耕作所广泛采用)导致了土壤浸蚀,并把肥沃的草原变成了沙漠。
Overgrazing (again, widely practised by "traditional" cultures) causes soil erosion and turns fertile pasture into desert.
海登监狱摒弃了传统的监狱建材钢筋水泥,而是采用了砖石和木材,让整个建筑看起来和丛林非常和谐。
To avoid an institutional feel, exteriors are not concrete but made of bricks, galvanized steel and larch; the buildings seem to have grown organically from the woodlands.
如果采用传统技术如轮作和堆肥为土壤补充氮和其他物质,就需要耕地也增长三倍了。
Using traditional techniques such as crop rotation, compost and manure to supply the soil with nitrogen and other minerals would have required a tripling of the area under cultivation.
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