The closest Britain has are the vast greenhouses in the south of England where millions of tomatoes are grown hydroponically--without soil.

在英国，与此最相似的是英格兰南部广阔的蔬菜温室，那里数百万的西红柿不是种在土里，而是水培种植。

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Some vegetables are now grown without soil and under artificial light.

某些蔬菜如今在人造光下无土栽培。

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It may be said that without soil there can be no agriculture.

可以说，没有土壤就不可能有农业。

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They say the roots develop better. But Jeffrey Dinslage, president of Nature Hills Nursery in Omaha,Nebraska, points out that bare-root roses come without soil.

VOA: special.2010.06.15

She says farmers should not endlessly work the same soil without putting back some organic matter.

VOA: special.2010.11.09

America has gone more than 7 years without another terrorist attack on our soil."

VOA: special.2009.01.17

That means building futuristic structures that use wastewater and solar power to produce hydroponic (grown in a nutrient-rich water, without soil) and aeroponic (grown in water-saturated air) crops.

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The concept: When crops are planted without tilling, the soil holds more carbon, which means less goes up into the atmosphere.

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On tiny plots, and often poor-quality soil, without modern equipment or farming methods, and sometimes beset by land disputes, many peasant farmers struggle to feed their family and grow just a little extra to sell in the village market.

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