News tagged with nitrogen critical
Lichens function as indicators of nitrogen pollution in forests
Oct 06, 2008 |
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Scientists have found lichens can give insight into nitrogen air pollution effects on Sierra Nevada and San Bernardino mountain ecosystems, and protecting them provides safeguards for less sensitive species.
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Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution
Dec 03, 2009 |
3.7 / 5 (7) |
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Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising CO2 levels could directly reduce plant biodiversity can be allayed, according to a new study by a University ...
From the backyard to the ocean: New study shows streams act as key nitrogen filters
Mar 12, 2008 |
4.4 / 5 (14) |
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As spring arrives across the country, tourists returning to beaches will face the reality of "red tide" -- harmful blooms of algae that make water unfit for swimming and pose risks to humans and sea life.
Like humans, ants use bacteria to make their gardens grow
Nov 19, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- Leaf-cutter ants, which cultivate fungus for food, have many remarkable qualities.
How much nitrogen is too much for corn?
Biology /
Apr 23, 2007 |
3.7 / 5 (3) |
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North Carolina State researchers recently discovered a test that quickly predicts nitrogen levels in the humid soil conditions of the southeastern United States. These scientists report that the Illinois Soil Nitrogen Test ...
Squeezing More Crop Out of Each Drop of Water
Oct 09, 2009 |
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(PhysOrg.com) -- Studies in China and Colorado by Agricultural Research Service (ARS) scientists and cooperators have revealed some interesting tactics on how to irrigate with limited water, based on a crop’s ...
Clams Convert Air Into Food
Biology /
Jan 16, 2008 |
4.3 / 5 (21) |
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Only plants can take nitrogen gas from the air and use it to make the protein they need to grow. Or so biologists thought.
Microbe diet key to carbon dioxide release
Jul 31, 2008 |
4 / 5 (5) |
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As microbes in the soil break down fallen plant matter, a diet "balanced" in nutrients appears to help control soil fertility and the normal release of the greenhouse gas carbon dioxide into the atmosphere.
Deep-Sea Microbes May Answer Long-Standing Question About Earth's Nitrogen Cycle
Space & Earth / Earth Sciences
Oct 15, 2009 |
4.6 / 5 (9) |
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(PhysOrg.com) -- Scientists have identified an unexpected metabolic ability in a symbiotic community of deep-sea microorganisms. It may help solve a lingering mystery about the world's nitrogen cycle.
Wider buffers are better
Jul 30, 2007 |
4.6 / 5 (5) |
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Excess nitrogen caused by fertilizers, animal waste, leaf litter, sewer lines, and highways is responsible for contaminating groundwater. It can also cause human health risks when found in drinking water and oxygen depleted ...
New way to break some of the strongest chemical bonds
Dec 16, 2009 |
4.6 / 5 (24) |
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(PhysOrg.com) -- Scientists at Cornell University in the U.S. have found a new way of breaking two of the strongest chemical bonds, at ambient temperature and pressure, and this breakthrough could lead to ...
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