Drained bogs make up seven percent of arable land in Germany.

干的沼泽占德国可耕地的7%。

They quickly amassed power, building businesses and claiming arable land that they transformed into plantations.

他们迅速积聚权力，建立企业，索取可耕地，把这些土地变成了种植园。

It is on this arable land that the farmers produce food for the whole population of China.

就是在仅有适于耕种的土地上农民们为全中国的广大人口生产着粮食。

He says the country must retain a " red line" of 120 million hectares of arable land.

他表示，国家必须保留1.2亿公顷耕地的“红线”。

Just 25 percent of the country's land is suitable for crop-growing, most of which is already occupied by arable fields.

全国只有 25% 的土地适合种植农作，其中大部分已经被耕地占据。

Seaweeds are marine organisms, which we can grow in the sea without any use of arable land and drinking water.

海藻是海洋生，我们可以在海中培植，无需使用耕地和饮用水。

In south Darfur right now, they are only cultivating about a third of the arable land that they could be cultivating.

达尔富尔南部目前只有三分之一的耕地处于利用中。

STEP 4 Tell them that much of the arable land worldwide is being used to grow grain to feed animals rather than people.

告诉他们，世界上大部分耕地都用来种植饲养动的，不是用来供应人类食用。

The rapid flares and extinctions at other points of the compass showed the lightest of fuel—straw, beanstalks, and the usual waste from arable land.

其它方位的篝火，火势来去匆匆，表明用的燃料是最不经烧的——庄稼地里收来的麦秆、豆秸或其它干草。

Evidence of this ongoing force known as desertification comes from satellite photographs of once arable fields now abandoned. But not all of them moved away.

从卫星照片可以看出沙漠化，曾可耕种的田地，如今弃置荒废。但并非所有地方都改变。

UN Secretary-General Ban Ki-moon said in a speech that " land degradation affects a significant portion of the Earth's arable lands, directly impacting the well-being of people and economic development of countries" .

联合国秘书长潘基文在演讲中表示，土地退化影响了大面积可耕土地，直接对人类生存，全球经济发展构成影响。”

We don't have to have arable land, and we can produce 50 times more on an area for example our seaweed farm at one hectare produces as much as 50 hectares of wheat.

我们不需要耕地，我们单位面积的产量可达50倍以上，举个例子，我们一公顷海藻养殖场的产量，相当于50公顷麦田的产量。