News tagged with nutrient loss
Fungi-filled forests are critical for endangered orchids
When it comes to conserving the world's orchids, not all forests are equal. In a paper to be published Jan. 25 in the journal Molecular Ecology, Smithsonian ecologists revealed that an orchid's fate hinges ...
Jan 24, 2012 |
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Runoff key to reducing certain toxic aquatic blooms
(PhysOrg.com) -- Many scientists believe that an unfortunate perfect storm of climate change and nutrient runoff will synergistically increase toxic cyanobacterial blooms globally in coming years.
Oct 07, 2011 |
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Corn yields with perennial cover crop are equal to traditional farming
Soil quality, water quality, and possibly even farm profits will all benefit by using a perennial cover crop on corn fields that allows for similar yields to traditional farming methods, according to Iowa ...
Jul 25, 2011 |
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With feedlot manure, it pays to be precise
The same precision farming techniques that work with crops can work with manure management on cattle feedlots, according to U.S. Department of Agriculture (USDA) scientists.
Jun 02, 2011 |
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Beyond the barn: Keeping dairy cows outside is good for the outdoors
Computer simulation studies by scientists at the U.S. Department of Agriculture (USDA) suggests that a dairy cow living year-round in the great outdoors may leave a markedly smaller ecological hoofprint than its more sheltered ...
May 24, 2011 |
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Researchers link oceanic land crab extinction to colonization of Hawaii
University of Florida researchers have described a new species of land crab that documents the first crab extinction during the human era.
May 16, 2011 |
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How pathogens hijack host plants
Infestation by bacteria and other pathogens result in global crop losses of over $500 billion annually. A research team led by the Carnegie Institution's Department of Plant Biology developed a novel trick for identifying ...
Nov 24, 2010 |
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No need to fertilize newly placed St. Augustinegrass sod, UF study shows
(PhysOrg.com) -- Florida homeowners and contractors laying St. Augustinegrass sod this spring can save money and help the environment if they wait at least one month before fertilizing, University of Florida experts say.
May 05, 2010 |
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Model microbial community for studying expanding dead zones characterized
Among the many changes in the ocean is the expansion of oxygen-deficient or oxygen minimum zones (OMZs), also known as dead zones, which affect the processes by which carbon is captured and sequestered on ...
Space & Earth / Earth Sciences
Oct 22, 2009 |
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Fertilization intensifies competition for light and endangers plant diversity
When grasslands are fertilized their productivity is increased but their plant diversity is diminished. In the last 50 years levels of plant-available nitrogen and phosphorous have doubled worldwide. This additional supply ...
Apr 30, 2009 |
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