News tagged with crop residue
Biofuel from Corn Stover
Sep 22, 2009 |
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(PhysOrg.com) -- How much corn crop residue, or stover, can be removed for biofuels without harming soil? An Agricultural Research Service (ARS) study of a 10-mile circle around the University of Minnesota’s ...
Burying crop residues at sea may help reduce global warming
Feb 02, 2009 |
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Imagine a massive international effort to combat global warming by reducing carbon dioxide - build up in the atmosphere. It involves gathering billions of tons of cornstalks, wheat straw, and other crop residue from farm ...
Some of Earth's climate troubles should face burial at sea, scientists say
Jan 28, 2009 |
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(PhysOrg.com) -- Making bales with 30 percent of global crop residues -- the stalks and such left after harvesting -- and then sinking the bales into the deep ocean could reduce the build up of global carbon ...
A model to measure soil health in the era of bioenergy
Nov 19, 2008 |
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One of the biggest threats to today's farmlands is the loss of soil organic carbon (SOC) and soil organic matter (SOM) from poor land-management practices. The presence of these materials is essential as they do everything ...
Search results for crop residue
Crop Residue May Be Too Valuable to Harvest for Biofuels
Jul 15, 2008 |
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(PhysOrg.com) -- In the rush to develop renewable fuels from plants, converting crop residues into cellulosic ethanol would seem to be a slam dunk.
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.
Soil carbon storage is not always influenced by tillage practices
Feb 25, 2009 |
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The practice of no-till has increased considerably during the past 20 yr. Soils under no-till usually host a more abundant and diverse biota and are less prone to erosion, water loss, and structural breakdown than tilled ...
Ethanol production could jeopardize soil productivity
Jun 02, 2009 |
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There is growing interest in using crop residues as the feedstock of choice for the production of cellulosic-based ethanol because of the more favorable energy output relative to grain-based ethanol. This would also help ...
Corn yield stability varies with rotations, fertility
Jul 21, 2009 |
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Understanding temporal variability in crop yields has implications for sustainable crop production, particularly since greater fluxes in crop yields are projected with global climate change.
When proteins change partners
Sep 11, 2009 |
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Dieter Wolf, M.D., and colleagues at Burnham Institute for Medical Research (Burnham) have illuminated how competition between proteins enhances combinatorial diversity during ubiquitination (the process that marks proteins ...
U.S. Crop Yields Could Wilt in Heat
Aug 24, 2009 |
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(PhysOrg.com) -- Yields of three of the most important crops produced in the United States - corn, soybeans and cotton - are predicted to fall off a cliff if temperatures rise due to climate change.
Replacing corn with perennial grasses improves carbon footprint of biofuels
Biology /
Dec 02, 2008 |
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Converting forests or fields to biofuel crops can increase or decrease greenhouse gas emissions, depending on where – and which – biofuel crops are used, University of Illinois researchers report this month.
Ancient Humans Left Evidence from the Party that Ended 4,000 Years Ago
Other Sciences / Archaeology & Fossils
Jul 21, 2009 |
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(PhysOrg.com) -- The party was over more than 4,000 years ago, but the remnants still remain in the gourds and squashes that served as dishware. For the first time, University of Missouri researchers have ...
Researchers to determine if aeration reduces compaction, runoff on no-till fields
Apr 01, 2009 |
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Much of Texas' wheat may be grazed as a part of a dual-use crop. But many fields are still prepared using conventional tillage, which may not efficiently capture rainfall - a key to economic success in a semi-arid environment, ...
List of search results for crop residue
