Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.

更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。

youdao

It's a product he believes could help solve future global food crises resulting from shrinking amounts of land available for growing meat the old-fashioned way.

他认为，这种产品可以帮助解决未来的全球粮食危机，粮食危机是由于用传统方式养殖肉类的土地面积减少而造成的。

youdao

Expanding populations are subjecting the land to increasing pressures to provide them with food and fuel.

土地不断受到人口数量增加所带来的压力，这些增加的人口需要土地提供食物和养料。

youdao

Using the same amount of land, the new wheat variety could produce three to four times as much food.

VOA: special.2009.11.10

"They harvest 90 percent of the world's food, yet they own only one percent of the world's land.

VOA: standard.2010.04.28

Damage to crop land increases food insecurity.

VOA: standard.2009.09.06

Mr Fujimori's people abused the resources of the state, offering food and land to voters.

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Whether grown in bioreactors or in desert ponds, algal oil mostly sidesteps the food and land conflicts that potentially can limit other biofuels.

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And it prevents food for land-locked Ethiopia arriving through the Eritrean ports of Massawa and Assab, from where it could be carried on by rail.

ECONOMIST: African drought: It pours, it never rains | The