News tagged with nitrogen

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Red spruce reviving in New England, but why?

In the 1970s, red spruce was the forest equivalent of a canary in the coal mine, signaling that acid rain was damaging forests and that some species, especially red spruce, were particularly sensitive to ...

Aug 30, 2013
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Earthworms as nature's free fertilizer

Earthworm presence in the soil increases crop yield, shows a new study that was published this week in Scientific Reports. "This is not unexpected," says Jan Willem van Groenigen, associate professor in the ...

Sep 16, 2014
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Scientist documents wetland losses

(Phys.org) —Wetlands in eastern North and South Dakota are shrinking at a rapid pace, according to professor Carol Johnston of the South Dakota State University Natural Resource Management Department.

May 29, 2013
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