人类开垦土地耕种。
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.
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.
返回家园的人们正把劳力和财力集中起来开垦土地。
The returnees were now pooling their labour and resources to reclaim their fields.
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.
可行时，经aa批准，开垦土地或土方工程应使用干净的挖掘物。
Clean excavated material shall be used for land reclamation or earthwork where practicable and subject to approval by AA.
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。
Expanding production in Argentina or America takes you into drier marginal lands which are much more expensive to farm.
西夏时期气候寒冷、干燥，人们砍伐森林，开垦土地，境内植被有所破坏。
Xixia period weather is cold and dry, people take on deforestation, land reclamation and destruction of vegetation appeared.
为了有效地管理迁居关外开垦土地的汉族民人，清廷设置了民治州县机构。
The court set up state and county governed by people themselves so as to manage the Han people effectively.
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.
但是阿拉冈说：“我们需要改变人们利用和管理土地的方式，让他们在不用火的情况下开垦土地。”
But Dr Aragao said: "We need to change the way people use and manage their land so that they can do this without fire."
土地处置的相关法律使得农民从巨大面积的国有土地中购买未开垦土地变得越来越容易。
Land disposal laws made it progressively easier for farmers to purchase undeveloped land from the huge public domain.
在城市化的过程中，砍伐森林和开垦土地是非常普遍的现象，破坏了动植物的自然栖息地。
In the process of urbanization, deforestation and land clearing are very common, which damage the natural habitats of flora and fauna.
有几世纪的古老的开拓地的方法如下?修建水渠，封闭后再将水用水泵抽干，以用来开垦土地。
Then the centuries-old polder method was followed - building and pumps out the water enclosed in order to reclaim the land.
20世纪初，普遍认为人类可以改变区域气候(比如，通过砍伐森林与开垦土地)，但对于全球气候还无能为力。
Early in the 20th century, the prevailing notion was that people could alter climates locally (for instance, by cutting down forests and ploughing virgin fields) but not globally.
等游牧民族定居下来开垦土地后，他们养起了牛和猪，几千年以后开始养鸡。因为火鸡驯养时间太长，所以十四世纪左右就把这件事情（养殖火鸡）交给阿兹特克人了。
Cattle and pigs came next as nomads settled down on farms, and modern chickens followed a few thousand years later; turkeys took much longer to tame, finally giving in to the Aztecs around the 1300s.
为了养活人民，必须开垦更多的土地。
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.
这一带的土地从未开垦过。
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.
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.
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.
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