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。
Crops could be made to grow on poor soil in marginal lands, increasing overall food production.
他想用该水来灌溉贫瘠的沙漠土地。
他们租了一些贫瘠的土地，开始种树。
贫瘠的土地上首先长满了地衣这种低等植物，它们在裸露的岩石上生存。
First to colonize the barren land are the lowly lichens, surviving on bare rock.
但只有那些降落在非常有利位置的孢子才能开始新的生活；绝大多数的孢子降落在贫瘠的土地上。
But only those few spores that settle down in very favorable locations can start a new life; the vast majority fall on barren ground.
考古发掘表明，拉帕努伊人为了保护他们狂风肆虐的贫瘠土地上的资源，付出了英勇的努力。
Archaeological excavations indicate that the Rapanui went to heroic efforts to protect the resources of their wind-lashed, infertile fields.
三十年前岛民在贫瘠的土地上艰苦生活，晒盐和牧渔。
Thirty years ago the islanders scratched a living from infertile soil, salt pans and fishing.
从内蒙古贫瘠的土地上，这些沙尘被席卷至东南方几千公里的区域。
The sand and dust were swept thousands of kilometers south and east from the arid terrain of Inner Mongolia.
村民们日复一日的耕作，让土地越发贫瘠，而由于贫困，村民们根本买不起化肥，只能勉强维持温饱，过着衣不裹腹的日子。
Villagers worked on farms day after day, making the lands and soils more and more barren. Due to severe poverty, they could not afford artificial fertilizers.
主要的约束包括农业基础设施差，产品市场低效，信贷不足，土地贫瘠，劳动力市场不景气等。
Key constraints include poor physical infrastructure, inefficient product markets, lack of credit, and weak land and labor markets.
在这片一度牛羊成群的贫瘠土地上，棉花、水果及其他干渴的作物下一季度又能大丰收了。
Cotton, fruit and other thirsty crops, planted in an arid region where sheep and cattle once ruled, should produce bumper harvests next season.
我们只会看到贫瘠的土地，野草疯长，荆棘丛生。这个时候农民们就会感觉到，一个匮乏而忧伤的冬季就在他们面前。
We should see nothing but barren fields, overrun with weeds and biers; and the farmer would feel that a winter of want and distress is before him.
生长的生物物质，甚至在贫瘠的土地上，也需要水，发电也是如此。
Growing biomass, even on marginal agricultural land, does require water, as does making electricity.
在埃塞俄比亚一边是一片葱绿，但是过了桥往南进入肯尼亚，就只有长着低矮灌木的戈壁滩和贫瘠的土地。
Ethiopia is quite green, but after you cross that bridge, going south into Kenya is a stony desert of low trees and very poor soil.
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。
It could lead to higher yields on marginal lands in countries that today cannot grow enough food to feed their people.
由于麻风树可以在不适合粮食作物的非常贫瘠的土地上生长，所以在莫桑比克不会有粮食作物用地和麻风树用地之间的冲突。
As Jatropha can be grown on marginal land which is not suitable for other crops, here in Mozambique there seems to be less conflict between land needed for food and land suitable for Jatropha.
尼日尔的农夫拥有树木所有权，于是FMNR在这里得到普及性推广，尼日尔被大量绿树覆盖；而尼日利亚的土地则光秃贫瘠。
On the Niger side, where farmers were allowed to own trees and FMNR was commonplace, there was abundant tree cover; but in Nigeria, the land was barren.
越来越多的泥土流入长江，土地变得贫瘠，农民首当其冲。
And more soil in the river means less on the land, which means poorer farmers.
很简单，海地成为了一个没有资源支撑的贫瘠土地，人口过多，与环境无法协调。
Quitesimply Haiti has become a barren land without the resources support itspopulation - and suffers from gross over-population relative to theenvironment.
此外，气候变化可能会转变生产方式，一些面积较小的土地将会变得贫瘠，目前贫瘠的土地将会投入生产，一些国家将增加进口，同时其他国家会增加出口。
And climate change will probably shift patterns of production; some marginal land will become infertile; land now barren will come into production; some countries will import more, others export more.
卢旺达是依赖于传统的只能维持生计的农业，从而意味着增加粮食生产的唯一途径就是把更多贫瘠的土地都开发出来。
Rwanda's dependence on traditional subsistence farming meant that the only way to grow more food was to move onto ever more marginal land.
这片雨林普通贫瘠的土地-地球上这样最大的土地-使得持续的耕种非常困难。
The generally infertile soils of this rainforest—the largest such forest on Earth—make sustainable farming difficult.
许多人将在远离家乡的地方获得贫瘠的土地。在湖北成千上万的人已经搬迁到以前是监狱的地方。
Many are being resettled far from their homes and given low-grade farmland; in Hubei, thousands of people have been moved to the grounds of a former prison.
由于当地的土地十分贫瘠，吉布提的大部分食物都是高价从外国进口而来。
Owing to the poor quality of farmland, most food in Djibouti is imported, at high cost.
而且当贫瘠或者不那么适合种植的土地被开垦出来后，食品生产的边际成本也提高了。
Moreover, as less fertile or accessible land is brought under cultivation, the marginal cost of food production rises.
而且当贫瘠或者不那么适合种植的土地被开垦出来后，食品生产的边际成本也提高了。
Moreover, as less fertile or accessible land is brought under cultivation, the marginal cost of food production rises.
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