Related topics: plants

Water in bedrock is sustaining trees across country

You can't squeeze water from a rock. But tree roots can—and they're doing it more frequently than scientists previously thought, with a new study finding that bedrock is a regular source of water for trees across the United ...

Plant roots increase carbon emission from permafrost soils

A key uncertainty in climate projections is the amount of carbon emitted by thawing permafrost in the Arctic. Plant roots in soil stimulate microbial decomposition, a mechanism called the priming effect. An international ...

Hard as a rock? Maybe not, say bacteria that help form soil

Research published this week by University of Wisconsin-Madison scientists shows how bacteria can degrade solid bedrock, jump-starting a long process of alteration that creates the mineral portion of soil.

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