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.
日常生活的标志就是耕作、牧羊和产羊毛。
Daily life was marked by farming, sheep raising and wool production.
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.
这意味着表层土壤几只含有少量长期成功耕作所必需的成分。
This means topsoil contains few of the ingredients needed for long-term successful farming.
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.
此外，为了养活地球上的大量人口，人们对工厂化和集约化的耕作方法的集中被认为是气候变化的关键因素。
Furthermore, in the effort to feed the hosts of people on this planet, the focus on factory and intensive farming methods is being cited as a key factor in climate change.
桑切斯说，尽管耕作对身体和我来说都很困难，但他和其他许多年轻农民都有动力和愿望为农业设定一个新的标准。
While farming is often difficult for both the body and mine, Sanchez says he and many of his fellow young farmers are motivated by desire to set a new standard for agriculture.
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.
农场已改用有机肥料的耕作方法。
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.
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.
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.
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.
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.
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.
一路上，我们破坏了大多数我们曾经耕作过的的土地，经常把翠绿的自然生态区变成了半干旱的沙漠。
Along the way, we despoiled most of the land we worked, often turning verdant, natural ecozones into semi-arid deserts.
梅伊队质疑重新引进美洲虎是否公平，因为热带雨林正在减少，而且会影响到那些生活和耕作在那里的人们。
Mee questions whether it is fair to reintroduce a jaguar because of the dwindling rainforest and the impact on the people who live and farm there.
这种困境将是确定无疑的，因为能源的匮乏使农业无法以高能消费这种美国耕作方式继续下去了，而这种耕作方式可以投入少数农民就获得高产。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the highenergy American fashion that makes it possible to combine few farmers with high yields.
基因工程领域的重要新发现正促使农业专家对传统的耕作方式进行估价。
Important new discoveries in genetic engineering are causing agricultural experts to transvalue traditional farming practices.
他们还必须对耕作或饲养做好记录。
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