农业部委托了一项有机耕作的研究。
The Department of Agriculture commissioned a study into organic farming.
查尔斯对耕作几乎一无所知。
集约耕作使土壤变得贫瘠。
由于土地贫瘠而无法耕作。
刀耕火种的传统耕作方式已经使土壤枯竭了。
Traditional slash and burn farming methods have exhausted the soil.
耕作方法的改变严重影响了这个地区的就业。
Changes in farming methods have badly affected employment in the area.
乍一看，有机耕作对农民来说似乎昂贵得多。
At first glance, organic farming looks much more expensive for the farmer.
密集耕作使土地遭受到大自然破坏性的力量。
Intensive cultivation exposes the earth to the damaging forces of nature.
在这种耕作方法中，种子和肥料是通过地面上的小切口进入土壤的。
In this method of farming seeds and fertilizer are put into the soil through small cuts made in the surface of the ground.
几个世纪以来，人类过度砍伐树木及过度集约耕作，一直在破坏环境。
Humans have been damaging the environment for centuries by overcutting trees and farming too intensively.
刀耕火种的耕作方式对土壤是有好处的，只要它不完全烧掉所有的植被，只留下烧焦的木头。
Slash-and-burn farming can be good for soils provided it doesn't completely burn all the vegetation, and leaves behind charred wood.
我知道其他的一些演讲是关于食物和耕作方法以及它们对环境的影响的，所以我想我们会避免这些话题。
I know some of the other presentations are looking at food and farming methods and what they do to the environment, so I think we'll avoid that.
冒险进入这片土地，你就会对任何一个把这里称为家的人所面临的困难有一些了解：耕作是不可能的，而大自然却只能提供微薄的收成。
Venture into this terrain and you get some idea of the hardships facing anyone who calls this home: farming is out of the question and nature offers meagre pickings.
耕作翻土会释放二氧化碳，而运输车辆会排放废气。
Soil tilling releases carbon dioxide, and delivery vehicles emit exhaust.
这是一项重要的发现，因为通过学习耕作土地，饲养动物，就可以有稳定的食物来源。
This was an important discovery, because by learning to cultivate the land, and care for animals, mankind would always have food steadily.
仅仅因为浮园耕作法不属于水培技术，并不意味着这不是一个适合你论文的话题。
Just because chinampas were not technically hydroponic doesn't mean this couldn't be an appropriate topic for your paper.
活动结束后，他们更加理解到耕作的艰辛。
After the activity, they better understood how hard farming was.
在炎炎烈日下，数百名学生来到田间体验耕作。
Under the hot sun, hundreds of students went to a field to experience farming.
在农场长大的孩子可能会说出10个不同的词来形容犁——一种耕作工具。
Kids growing up on a farm may be able to offer ten different words for the plow, a farming tool.
后来，他们学会了按季节耕作，适时播种，以及在干旱地区利用每年的洪水来灌溉他们的农田。
Later, they learned to work with the seasons, planting at the right time and, in dry areas, making use of annual floods to irrigate their fields.
他们还必须对耕作或饲养做好记录。
比如在英国，耕作只占总取水量的3%。
In Britain, for example, farming takes only 3% of all water withdrawals.
那为什么还有言论称有机耕作更加节能呢？
What of the claim that organic farming is more energy-efficient?
拖拉机革新了耕作方法。
农业耕作支持着我们的社会。
研究结果也将使按传统耕作的农夫受益。
The research results are also expected to benefit conventional farmers as well.
佩雷尔曼提供给几何学家们一块富饶的土地来耕作。
Perelman has provided geometers with a fruitful land to cultivate.
这样高的产量主要是通过改良耕作方法取得的。
These high yields have been achieved largely through better methods of cultivation.
他们是使用骡子耕作，也没有富余的，最多不过四头骡子。
They carried on their farm operations with mules and they had no surplus of these, seldom more than four.
但是每个人都有权开发土地，通过劳动、耕作或是放牧从中受益。
But everyone has the right to use it, to benefit from it by working, farming, or pasturing.
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