Higher yields, he pointed out, saved marginal land and forest from farming.
更高的产量，他指出，可以使更多的土地和森林免于农耕的破坏。
Experts say rotational grazing like this is extremely important for marginal land.
专家说，像这样的轮流放牧对边缘的土地极其重要。
Even today, a flock of sheep or goats can be the most efficient way to get food from marginal land.
甚至，到今天在偏远的土地上养一群羊也是得到食物最高效的方式。
He also suggests that raw materials could be grown on marginal land which is unsuitable for food production.
他也提出原材料可以种植在不适合生产粮食的边际耕地上。
Stocks have been released, marginal land has entered use and price has fallen (by as much as a third in two months).
股票已经发行，边缘的土地已经被开垦，并且价格也已下跌(差不多在两个月里跌去三分之一)。
Studies have shown that the white pine and loblolly pine are two kinds of trees that grow well on marginal land.
研究表明，美国五针松和火炬松在边缘土地上长势很好。
Rwanda's dependence on traditional subsistence farming meant that the only way to grow more food was to move onto ever more marginal land.
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。
At the same time, irrigators have tried tilling marginal land in an attempt for quick yields and in all cases the projects have been abandoned.
同时，为了得到快速的收益而去灌溉贫瘠的土地的做法现在也被抛弃了。
In northern climes some land will become more suitable for farming as springs come sooner, whereas in the tropics and subtropics some marginal land will become barely inhabitable.
在南方气候的作用下，随着春天的提早到来，一些土地变得更适宜耕种；而在一些热带和亚热带地区，一些边际土地勉强适合人类居住。
He also suggests that raw materials could be grown on marginal land which is unsuitable for food production. That is true, but it could have knock-on effects on biodiversity.
具体来说，用玉米等粮食作为原材料生产生物燃料已经引起了很大的争议，因为这会对粮食价格产生影响。
Part of the increase stems from human activities—directly, in the case of construction, or indirectly, when it results from clearing vegetation from marginal land in order to farm it.
尘埃量的增加一部分原因源于人类活动——比如，建筑，它属于直接原因，又如，为了耕种而将边际地块上的植物清除所造成的后果就属于间接原因。
Part of the increase stems from human activities-directly, in the case of construction, or indirectly, when it results from clearing vegetation from marginal land in order to farm it.
部分原因是人类活动- - -例如建筑施工这样的直接原因，或者是为了开垦贫瘠土地而清理植被这样的间接原因。
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.
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。
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.
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。
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。
This year less than 50% of the land is in use and most of the yields are marginal.
今年有不到50%的土地得到了使用，并且大部分的收益都是微不足道的。
Growing biomass, even on marginal agricultural land, does require water, as does making electricity.
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。
Labor, land, and capital each earn the value of their marginal contribution to the production process.
劳动、土地和资本各自赚到了他们对生产过程边际贡献的价值。
Riparian zones are the important transitional regions for exchange of substance, energy, and information between river ecological system and land ecological system, and have obvious marginal effect.
河岸带是河流生态系统与陆地生态系统进行物质、能量、信息交换的一个重要过渡带，具有明显的边缘效应。
The economic attributes of land resources on the theory and application levels are analyzed. It also employs the Marginal Output Theory to explain the function mechanism of rent and its present types.
从理论和应用两个层面，分析了土地资源具有的经济特性，并利用西方经济学的边际产出原理，剖析了地租的形成与类型，阐述了地租与地价的关系；
On the basis of the analysis the relationship of land use and transport organizations of the marginal high-speed railway terminal areas, the paper studies the layout principle of road network.
论文在分析边缘型高速铁路枢纽地区与城市关系、客流特征以及土地利用等的基础上，研究枢纽地区路网布设的要求；
Oasis marginal decline of the natural vegetation and land desertification have a direct relationship with groundwater level.
绿洲边缘天然植被的衰败和土地的荒漠化与绿洲地下水水位的下降有着直接的关系。
Finally. it is pionted out that hedonic approach which was developed for solving marginal implict price of amenties may be applied to price urban land.
为了进一步明确享乐方法应用条件，讨论了享乐方法应用的前提假设，最后，作者认为享乐方法可以成为城市地价评估的手段之一。
To call land "marginal" means it is not very good.
把土地称作“边角”的土地意味着这种土地是不太好的土地。
To call land "marginal" means it is not very good.
把土地称作“边角”的土地意味着这种土地是不太好的土地。
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