The sheets keep the soil moist and warm, and also stop weeds growing.

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He captured my musical heart in college with his 2002 album Lifted or The Story Is in the Soil, Keep Your Ear to the Ground.

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The soil cannot keep them anymore.

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Because I wanted to keep my feet on English soil, I had decided to use no buses or underground transportation during my visit.

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Because it doesn't stir up the soil, it lets the land keep its stored carbon and even adds some, because those corn stalks on the surface gradually become part of the soil.

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Soil and plants also keep the sun off the roof layer itself, making it last longer.

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Techniques that keep greenhouse gases trapped in the soil, such as injecting seeds rather than tilling, have already led to lucrative contracts.

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The peninsula is patrolled by an international force and monitored by America from the air, to ensure that both sides keep their armies out, even though Sinai is sovereign Egyptian soil.

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It was important to keep the jostling to a minimum, since the rover was still carrying a soil sample.

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