A new plant will spring up wherever a seed falls on a suitable soil surface, but because they do not build big bodies, they cannot compete with other plants for space, water, or sunlight.

当种子落在合适的土壤表面时，一株新的植物就会在那里生长，但由于它们体型不大，它们无法与其他植物竞争空间、水分或阳光。

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Soil evaporation is an important proportion of energy and water balance of soil surface.

土壤蒸发是地表能量与水分平衡的重要组成部分。

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Salt crust is a unique layer that forms on the soil surface under drip irrigation with saline water in the shelterbelts along the Trim Desert Highway.

盐结皮是咸水滴灌条件下塔里木沙漠公路防护林土壤表层形成的一种特殊层结。

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LCROSS will then study the soil thrown up to ten kilometers above the lunar surface before it too crashes into the moon.

VOA: special.2009.09.30

The crash caused soil to be expelled many kilometers above the lunar surface.

VOA: special.2009.12.30

Drop the seeds over the surface and cover them lightly with soil.

VOA: special.2009.04.28

Celeriac is a celery variety refined over time to produce an increasingly large, solid, globular root just below the soil surface.

NPR: The Vegetable World's Ugly Duckling: Celeriac

And what prevents soil and surface water contamination from countless units that ultimately wind up in landfills?

FORBES: How Many Politicians Are Needed To Screw Up A Light Bulb?

The remaining soil contamination is located several feet below uncontaminated surface soil.

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