Intensive farming in the area has caused severe degeneration of the land.

这个地区的集约化农业使得土壤严重贫瘠化。

《牛津词典》

You can't grow oranges in wetlands, so farmers had to transform the wetlands into land suitable for farming.

你不能在湿地种植柑橘，所以农民不得不把湿地变成适合耕种的土地。

youdao

In northern climes some land will become more suitable for farming as springs come sooner, whereas in the tropics and subtropics some marginal land will become barely inhabitable.

在南方气候的作用下，随着春天的提早到来，一些土地变得更适宜耕种；而在一些热带和亚热带地区，一些边际土地勉强适合人类居住。

youdao

There were no slaves in the West. The land and the weather were not right for the kind of farming that used slaves.

VOA: special.2009.05.28

Elsewhere, farmers have not fared as well. In Niger,the city of Agadez lost close to 400 hectares of land used for farming and cattle.

VOA: standard.2009.09.08

"There are well-publicised grain shortages in France and America and this is some of the best farming land not only in the county, but the country, " he said.

BBC: NFU critical of Peterborough solar farm on "prime" land

Authorities say the land in question is owned by the government, but activists argue villagers have been farming the land for many years and have nowhere else to go if it is developed by a private company.

BBC: Teenage girl shot dead in Cambodia land protest

But while the presence of humans has been a major factor in increasing deforestation and the clearing of land for farming, the absence of humans can also be a threat to trees.

BBC: Why are the world's older trees disappearing?