耕地增加的主要来源是林地转变以及未利用土地的开垦，二者分别占到28.13%和27.50%。
The main increase of cultivated land was from forest land and non-use land, the rates were 28.13% and 27.50%.
这一带的土地从未开垦过。
为了养活人民，必须开垦更多的土地。
人们继续开垦土地，1590年到1665年之间，几乎有10万公顷的土地是从荷兰、泽兰和弗里斯兰的湿地开垦而来。
Land reclamation continued, and between 1590 and 1665, almost 100,000 hectares were reclaimed from the wetland areas of Holland, Zeeland, and Friesland.
随着这些新城市的土地被开垦——尤其是在茂密的热带森林中——碳也会被排放到大气中。
As land is cleared for those new cities—especially in the densely tropical forests—carbon will be released into the atmosphere as well.
产量的增长和土地价格的上升证明，开垦更多的土地、并为更多的土地排水的做法是合理的。
The increased yield and price of land justified reclaiming and draining even more land.
开辟新农田是可能的，但大部分适宜的土地已经开发，进一步开垦在技术上是不可行的。
Opening up new farmland was a possibility, but most of what was suitable had already been exploited and further reclamation was technically unfeasible.
荷兰人仅在1590年到1615年间就开垦了超过36000英亩的土地。
The Dutch reclaimed more than 36000 acres from 1590 to 1615 alone.
农民在他们居住的土地上开垦。
从1966到1971年，他们开垦了大量土地，大大改善了他们的生活。
From 1966 to 1971, they reclaimed lots of lands and greatly improved their life.
因为在我们大部分历史中，总会有新的土地被开垦成农场，我们不断地耕作，好像资源取之不尽。
For most of our history, there has been new land to farm, and we still farm as though there always will be.
大豆出口商正式得到暂停利用新开垦土地上出产产品的禁令。
Soy exporters officially have a moratorium on using product from newly deforested land.
本来应该开垦土地、播种冬季作物的拖拉机，现在被用来挖掘防火沟，以防止大火蔓延到农田。
Tractors that should now be ploughing land for sowing winter grain have been mobilised to dig trenches round fields to stop forest fires encroaching on farmland.
他得出几条理论用以解释在童年时欺凌弱小这微不足道的残忍，回忆年轻时计划在危地马拉买一栋房子，开垦一片土地，出版评论集、小说和散文集。
He constructed theories to explain the petty cruelties of childhood bullies. He made plans to purchase a small house, to reclaim his land in Guatemala, to publish essays, fiction, fragments of prose.
专家们认为俄罗斯有非常大的增产潜力——她幅员辽阔的肥沃土地上还拥有数百万英亩还不曾开垦的农田。
Experts believe that Russia has huge potential for growth - millions of acres of farmland lie fallow and vast expanses of fertile land have never been farmed at all.
欧盟委员会能源局说粮食作物的短缺可以从几个方面得到弥补，包括提高单产和开垦弃慌土地。
The European Commission's energy team says shortfalls in grain can be avoided in several ways, including by improving farming yields and cultivating abandoned land.
为饲料作物生产清理开垦土地，为畜牧生产扩大牧场，成为毁林的动力之一。
Clearing of land for feed crop production and expansion of pastures for livestock production has been one of the driving forces behind deforestation.
在木山子附近人烟稠密的乡村土地非常稀缺，以至于农民们都在开垦陡峭的、水土流失的每一寸山坡。
Land is so scarce in the crowded countryside near Musanze that farmers struggle to cultivate every foot of the steep, eroding hillsides.
食品供应基本恢复正常，一块块菜地在未开垦的土地上蓬勃出现。
The food supply is almost back to normal, with new vegetable plots dug on unused land.
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.
这是世界上最后的一块富含石油天然气自然资源的未开垦的土地。
It's the world's last, great wilderness rich in natural resources, like oil and gas.
洼地地区的大块耕地推动了谷物产品的出口，其他土地则未加开垦。
Some of these large properties drive production of crops for export, while others sit unused.
周围的乡村是一系列不规则的小块田地相互拼接而成，这些土地中世纪就开垦出来了。
The surrounding country is an irregular patchwork of small fields, reflecting land use in the Middle Ages.
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。
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.
我们现在抓紧时间开垦那么多土地，是因为担心会出台更多限制森林砍伐的措施。
The reason why so much land is being cleared now is that we fear that more restrictions will be put on how much forest we can fell.
荷兰主要的土地是填海开垦而来的。
A substantial part of the Netherlands has been reclaimed from the sea.
荷兰主要的土地是填海开垦而来的。
A substantial part of the Netherlands has been reclaimed from the sea.
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