Often the cheapest way to provide irrigation water in the dry tropics is through small-scale projects, such as gathering rainfall in depressions and pumping it to nearby cropland.

在干旱的热带地区，提供灌溉水的最低成本的方法通常是建造小规模的工程。例如，在洼地收集雨水，然后将其抽调至附近的农田。

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Pakistan derives about a fifth of its output from agriculture, and much of its most productive cropland is submerged or turned to the bog.

巴基斯坦五分之一的产出来自于农业，但其高产量农田中已有许多被淹没或变成了沼泽。

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Most of the villagers survive off tiny plots of cropland.

大多数村民靠小块农地产出聊以为生。

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Today eighty percent of the cropland for soybeans, maize and cotton in the United States is transgenic.

VOA: special.2010.04.27

But the amount of cropland planted with the crops rose by an estimated seven percent worldwide.

VOA: special.2010.04.27

In Kazakhstan desertification has meant that nearly 50 percent of cropland has been abandoned since 1980.

CNN: Desertification: How to stop the shifting sands

That's equal to about 1 percent of all the cropland we have in this country.

MSN: Flood frontline gets some good news about crest

The scents are applied to the top of a cylindrical cage set on the edge of cropland.

WSJ: Out of Odor: Offensive-Smelling Bugs Put U.S. Farmers on the Defensive