News tagged with nitrogen fertilizer
Switchgrass produces biomass efficiently
Nov 23, 2009 |
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A USDOE and USDA study concluded that 50 million U.S. acres of cropland, idle cropland, and cropland pasture could be converted from current uses to the production of perennial grasses, such as switchgrass, from which biomass ...
Studying Fertilizers to Cut Greenhouse Gases
Nov 18, 2009 |
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(PhysOrg.com) -- Agricultural Research Service (ARS) scientists have found that using alternative types of fertilizers can cut back on greenhouse gas emissions, at least in one part of the country. They are ...
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 ...
Study highlights massive imbalances in global fertilizer use
Jun 18, 2009 |
5 / 5 (2) |
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Synthetic fertilizers have dramatically increased food production worldwide. But the unintended costs to the environment and human health have been substantial. Nitrogen runoff from farms has contaminated ...
'Natural' nitrogen-fixing bacteria protect soybeans from aphids
Apr 14, 2009 |
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An invasion of soybean aphids poses a problem for soybean farmers requiring application of pesticides, but a team of Penn State entomologists thinks a careful choice of nitrogen-fixing bacteria may provide ...
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 ...
