News tagged with agronomy journal
GPS helps locate soil erosion pathways
Grassed waterways are placed in agricultural fields where runoff water tends to concentrate because they can substantially reduce soil erosion. Mapping techniques that help identify where erosion channels will likely form ...
Aug 13, 2009 |
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No-till, rotation can limit greenhouse gas emissions from farm fields
Using no-till and corn-soybean rotation practices in farm fields can significantly reduce field emissions of the greenhouse gas nitrous oxide, according to a Purdue University study.
Dec 21, 2010 |
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Yield projections for switchgrass as a biofuel crop
While scientists have conducted numerous studies on production of biomass from biofuel crops, such as switchgrass, no one has yet compiled this information to evaluate the response of biomass yield to soils, ...
Jul 12, 2010 |
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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, ...
May 24, 2010 |
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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 ...
May 03, 2010 |
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Plant soybean early to increase yield
Over the past decade, two-thirds of Indiana growers have shifted to planting their soybean crop earlier because they believe that earlier planting increases yield. Planting date is probably one of the most important yet least ...
Feb 02, 2009 |
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Crop sensors outdo farmers at choosing nitrogen rates
Choosing how much nitrogen (N) to put on corn fields isn't something farmers take lightly. Many factors go into the decision, including past experiences, the timing of application, yield goals, and results from soil tests.
Nov 01, 2011 |
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Economic analysis reveals organic farming profitable long-term
Organic farming is known to be environmentally sustainable, but can it be economically sustainable, as well?
Other Sciences / Economics & Business
Sep 01, 2011 |
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Comparing soybean production methods
In the Mid-South, twin-row soybean production is becoming a popular growing technique for soybean producers. An estimated 80% of the total hectares grown in the Mississippi Delta are planted in this configuration. While growers ...
Aug 23, 2011 |
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The future of cover crops
Winter cover crops are an important component of nutrient cycling, soil cover and organic matter content. Although its benefits are well documented, cover crop use in farming systems is relatively low. Research has shown ...
Jul 13, 2011 |
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Dairy farmer finds unusual forage grass
A U.S. Department of Agriculture (USDA) grass breeder has rediscovered a forage grass that seems just right for today's intensive rotational grazing.
Mar 15, 2011 |
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Iron deficiency in soil threatens soybean production
An expansion of soybean production into areas where soybean has seldom, if ever, been grown can be problematic for some farmers. Soils having high pH values and large amounts of calcium and/or magnesium carbonate are notoriously ...
Dec 06, 2010 |
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Finding the right time for rolling rye
(PhysOrg.com) -- U.S. Department of Agriculture (USDA) scientists are helping growers adopt an environmentally friendly practice that is catching on nationwide: "rolling" their rye when they use it as a cover ...
Nov 17, 2010 |
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Early cotton planting requires irrigation
Cotton growers can produce more cotton if they plant early, but not without irrigation. That's the finding of an article published in the September-October 2010 Agronomy Journal, a publication of the American Society of Agr ...
Sep 09, 2010 |
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Manure provides higher returns than chemical fertilizers: study
No significant differences in corn yield were found between organic and chemical sources of nutrients, but a Texas AgriLife Research economist said manure generates higher economic returns than anhydrous ammonia.
Jun 28, 2010 |
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