News tagged with nitrogen balance
Researchers assess effects of a world awash in nitrogen
Humans are having an effect on Earth's ecosystems but it's not just the depletion of resources and the warming of the planet we are causing. Now you can add an over-abundance of nitrogen as another "footprint" humans are ...
Dec 15, 2011 |
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New proxy reveals how humans have disrupted the nitrogen cycle
More and more, scientists are getting a better grip on the nitrogen cycle. They are learning about sources of nitrogen and how this element changes as it loops from the nonliving, such as the atmosphere, soil ...
Jun 04, 2009 |
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Search results for nitrogen balance
Advanced power-grid model finds low-cost, low-carbon future in West
(PhysOrg.com) -- The least expensive way for the Western U.S. to reduce greenhouse gas emissions enough to help prevent the worst consequences of global warming is to replace coal with renewable and other ...
Technology / Energy & Green Tech
Feb 10, 2012 |
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Fuel from market waste
Mushy tomatoes, brown bananas and overripe cherries -- to date, waste from wholesale markets has ended up on the compost heap at best. In future it will be put to better use: Researchers have developed a new ...
Technology / Energy & Green Tech
Feb 09, 2012 |
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Trees find the nitrogen they need, even in a super-size CO2 world
In the fast-food world of trees, let’s say carbon dioxide is like French fries, and nitrogen is like catsup. Suppose those trees suddenly had extra servings of French fries, but the catsup ration stayed ...
Feb 09, 2012 |
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Massive swarm of tunicates tilts ocean's chemical balance
A surge of nutrients to the warm waters off the southeastern coast of Australia during the highly productive austral spring can spark an explosion in the phytoplankton population. Where phytoplankton bloom, so do the predators ...
Space & Earth / Earth Sciences
Jan 31, 2012 |
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Solutions for a nitrogen-soaked world
Nitrogen is both an essential nutrient and a pollutant, a byproduct of fossil fuel combustion and a fertilizer that feeds billions, a benefit and a hazard, depending on form, location, and quantity. Agriculture, industry ...
Jan 17, 2012 |
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Helping hydrogen move back home
Millions of dollars are being spent on developing electric vehicles. Electric vehicles, powered by hydrogen fuel cells, provide the demanded driving range and low environmental impact. However, hydrogen fuel ...
Jan 11, 2012 |
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Light now in sight: Control of a 'blind' neuroreceptor with an optical switch
When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...
Jan 10, 2012 |
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Out of Africa and Into the American Midwest
Grasses bend in the wind, their golden tips tracing arcs across fields that stretch toward the horizon. Sunwashed by a fading evening light, these reedy ballet dancers are central figures in savanna, an ecosystem ...
Jan 09, 2012 |
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Mock atoms prove attractive: Researchers added first pseudo atoms to electronegativity scale
(PhysOrg.com) -- When studying an atom's ability to attract nearby electrons, scientists rely on electronegativity scales, which describe each atom's ability to pull in these negatively charged particles. ...
Jan 06, 2012 |
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What are the prospects for sustaining high-quality groundwater?
Intensive agriculture practices developed during the past century have helped improve food security for many people but have also added to nitrate pollution in surface and groundwaters. New research has looked at water quality ...
Dec 19, 2011 |
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List of search results for nitrogen balance
