News tagged with fertilizer applications
Crop models help increase yield per unit of water used
May 04, 2009 |
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Crop water use efficiency (WUE, or yield per unit of water used), also known as crop water productivity, can be improved through irrigation management and methods, including deficit irrigation (irrigating less than is required ...
Models simulate nitrate dynamics in Garonne, Southwest France
Jan 05, 2009 |
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The over-enrichment of fresh, transitional, and marine waters with nitrogen (N) can lead to problems associated with eutrophication, such as a change in species composition of aquatic plants and nuisance algal blooms. In ...
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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 ...
Biodiesel on the wing: A 'green' process for biodiesel from feather meal
Jul 22, 2009 |
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Scientists in Nevada are reporting development of a new and environmentally friendly process for producing biodiesel fuel from "chicken feather meal," made from the 11 billion pounds of poultry industry waste ...
Study provides a first look at ammonia volatilized from surface applied urea
Jun 19, 2008 |
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The question of how much nitrogen is lost from fertilizer urea when it is applied to the soil surface comes up with growers and fertilizer dealers every season and is the focus of a Montana Agricultural Experiment Station ...
Feed your crop, not the weeds
Jun 23, 2009 |
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If you have weed problems in your cropping system, will adding nutrients just feed the weeds?
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 ...
Researchers combat slowing yields with targeted fertilizer applications
Dec 10, 2007 |
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Scientists at Punjab Agricultural University, the International Rice Research Institute, and Virginia Tech have been successful in increasing average rice yields in northwest India using site-specific nutrient management ...
'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 ...
Water-saving technology focus of new grant
Dec 04, 2009 |
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(PhysOrg.com) -- Many ornamental nursery growers test to see if their plants need water by sticking a finger in the soil to see if it’s dry. Or, they just water them whether they need it or not. University of Georgia horticulturists ...
'Most Popular' Status Affects What People Eat, Study Finds
Jun 02, 2009 |
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(PhysOrg.com) -- A new study finds that diners are at least 13 percent more likely to order a dish if they know it is among a restaurant’s most popular.
Computer model reveals where food pathogens grow
Dec 03, 2009 |
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(PhysOrg.com) -- An outbreak of food-related illness, such as E. coli-tainted spinach, often leaves food safety experts scratching their heads over the source of the contamination.
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