News tagged with soil nitrogen
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 ...
Ozone, nitrogen change the way rising CO2 affects Earth's water
Jul 09, 2009 |
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Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an ...
Illinois Soil Nitrogen Test measures microbial nitrogen
May 11, 2009 |
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Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. Soils differ considerably in microbial activities that determine nitrogen-supplying power, and these differences ...
Prairie soil organic matter shown to be resilient under intensive agriculture
Jan 15, 2009 |
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(PhysOrg.com) -- A recent study has confirmed that although there was a large reduction of organic carbon and total nitrogen pools when prairies were first cultivated and drained, there has been no consistent pattern in these ...
Search results for soil nitrogen
Is nitrogen the new carbon?
Sep 21, 2009 |
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In looking forward to the next Green Revolution, researchers have been carefully examining the role of nitrogen fixation in delivering successful crops around the globe.
Nitrogen applied
Oct 01, 2008 |
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Combating soil erosion is a primary concern for agricultural producers in the United States, and many have incorporated conservation tillage systems in their effort to maintain a profitable crop output.
Nitrogen research shows how some plants invade, take over others
Jul 06, 2009 |
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Biologists know that when plants battle for space, often the actual battle is for getting the nitrogen.
How much nitrogen is too much for corn?
Biology /
Apr 23, 2007 |
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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 ...
Tree species composition influences nitrogen loss from forests
Mar 16, 2009 |
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Throughout the world, nitrogen compounds are released to the atmosphere from agricultural activities and combustion of fossil fuels. These pollutants are deposited to ecosystems as precipitation, gases, and particles, sometimes ...
Microbe diet key to carbon dioxide release
Jul 31, 2008 |
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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.
Spreading antibiotics in the soil affects microbial ecosystems
Mar 30, 2009 |
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Antibiotics used extensively in intensive livestock production may be having an adverse effect on agricultural soil ecosystems. In a presentation to the Society for General Microbiology meeting at Harrogate International ...
UC Davis researcher leads climate-change discovery
Space & Earth / Earth Sciences
Jun 18, 2008 |
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A team of researchers led by a first-year UC Davis faculty member has resolved a longstanding paradox in the plant world, which should lead to far more accurate predictions of global climate change.
Improving swine waste fertilizer
Jul 08, 2008 |
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Swine production generates large amounts of waste. While this waste contains nutrients that may serve as fertilizer when applied to agricultural fields, the ratio of nutrients in the waste is different than what a crop requires.
Improving China's acid rain control strategy
Oct 14, 2009 |
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Scientists are reporting the first evidence that China's sharp focus on reducing widespread damage to soil by acid rain by restricting sulfur dioxide air pollution may have an unexpected consequence: Gains ...
List of search results for soil nitrogen
