But there are USES for marginal lands.
但是边缘土地也有作用。
They live on marginal lands, beneath unstable hillsides or on storm-exposed coastlines.
他们生活在边缘土地上、不稳定的山坡下或面临风暴危险的海岸线上。
Crops could be made to grow on poor soil in marginal lands, increasing overall food production.
可以使作物在边际土地的贫瘠土壤中生长，增加粮食总产量。
Algal oil is similar to soybean oil but can be grown on marginal lands unsuitable for food crops.
海藻油类似于大豆油，但海藻可以生长在那些不适合粮食作物生长的地区。
It could lead to higher yields on marginal lands in countries that today cannot grow enough food to feed their people.
遗传工程可能使今天不能生产足够粮食养活其人民的那些国家的贫瘠土地提高产量。
Expanding production in Argentina or America takes you into drier marginal lands which are much more expensive to farm.
在阿根廷或美国，可开垦土地只有偏远的干旱地区，所以种植成本太高。
The authors say farmers must learn to use marginal lands that could be prime location for crops such as millet, sorghum and cowpea.
作者表示农民必须学会使用边际土地，使土地为种植小米、高粱和豇豆等作物做好准备。
The authors say farmers must learn to use marginal lands that could be prime location for crops such as millet, sorghum and cowpea.
文章的作者指出农民必须学会在贫瘠的土地上种植小米、高粱和豇豆；
It can be effectively grown on marginal lands that are considered undesirable for food crops, making it a viable option as a new biofuel.
它可在粮食作物不理想的边缘地带高效生长，使它成为生物新能源的可行选择。
Congress's recent farm bill was supposed to dull the incentives for American farmers to plant on marginal lands by slashing farm subsidies and beefing up conservation programmes.
国会最近的农业法案本应通过削减农业补贴，加重林地保护计划，减少美国农民开垦种植的刺激。
"Marginal" lands might have low quality soil. Or they might be on a hillside that rises sharply.
边际土地土壤质量也许较低，或者位于陡峭的山坡上或降雨极少的区域。
"Marginal" lands might have low quality soil.
“边缘的”土地的土质或许很差。
"Marginal" lands might have low quality soil.
“边缘的”土地的土质或许很差。
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