News tagged with cropping systems

Growing sorghum for biofuel

Conversion of sorghum grass to ethanol has increased with the interest in renewable fuel sources. Researchers at Iowa State University examined 12 varieties of sorghum grass grown in single and double cropping systems. The ...

dateNov 10, 2010 in Environment
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Straw residue helps keep nitrogen on the farm

Scientists are exploring ways to reduce non-point pollution from agriculture. A new study finds that using straw residue in conjunction with legume cover crops reduces leaching of nitrogen into waterways, but may lower economic ...

dateMay 24, 2010 in Environment
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Reducing fossil energy use on the farm

Conventional agriculture production relies heavily on fossil fuels, particularly in its ability to provide energy at a low cost. However, the uncertain future of fossil fuel availability and prices point to need to explore ...

dateMay 03, 2010 in Environment
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