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Some trees 'farm' bacteria to help supply nutrients
Date:7/29/2010

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The researchers took soil samples from the root areas of beech, oak and Norway spruce trees and cultured them to determine the bacterial populations. They observed heightened levels of mineral-weathering bacteria in the samples near the roots of oak and beech trees compared to surrounding soil samples. This difference was not seen in the Norway spruce samples.

"Our results suggest that certain tree species have developed indirect strategies for mineral weathering in nutrient-poor soils, which lie in the selection of bacterial communities with efficient mineral weathering potentials" says Uroz.


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Contact: Garth Hogan
ghogan@asmusa.org
American Society for Microbiology
Source:Eurekalert

Page: 1 2

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