News tagged with nitrogen fertilization
Illinois Soil Nitrogen Test measures microbial nitrogen
May 11, 2009 |
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Contrary to the prevailing view, cereal crops derive the majority of their nitrogen from the soil, not fertilizer. Soils differ considerably in microbial activities that determine nitrogen-supplying power, and these differences ...
Search results for nitrogen fertilization
Will intensive forest practices impact water quality?
Jan 07, 2008 |
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In order to increase productivity, forest practices have become more intense in recent decades. Forest fertilization increased by 800% in the southeastern United States from 1990 to 1999, and the total acreage fertilized ...
Forest canopies help determine natural fertilization rates
Space & Earth / Earth Sciences
May 29, 2008 |
4.7 / 5 (3) |
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In this week’s issue of Science, a team of researchers from the United States and Sweden report on a newly identified factor that controls the natural input of new nitrogen into boreal forest ecosystems. Nitrogen is the ...
Forest canopies help determine natural fertilization rates
May 30, 2008 |
4.9 / 5 (7) |
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In this week's issue of Science, a team of researchers from the United States and Sweden report on a newly identified factor that controls the natural input of new nitrogen into boreal forest ecosystems.
Amazon powers tropical ocean's carbon sink
Space & Earth / Earth Sciences
Jul 21, 2008 |
3.8 / 5 (9) |
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Nutrients from the Amazon River spread well beyond the continental shelf and drive carbon capture in the deep ocean, according to the authors of a multi-year study.
Fertilization intensifies competition for light and endangers plant diversity
Apr 30, 2009 |
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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 ...
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.
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?
Study provides a first look at ammonia volatilized from surface applied urea
Jun 19, 2008 |
4.7 / 5 (3) |
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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 ...
Is nitrogen the new carbon?
Sep 21, 2009 |
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In looking forward to the next Green Revolution, researchers have been carefully examining the role of nitrogen fixation in delivering successful crops around the globe.
A Zen discovery: Unrusted iron in ocean
Space & Earth / Earth Sciences
Feb 08, 2009 |
4.3 / 5 (17) |
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Iron dust, the gold of the oceans and rarest nutrient for most marine life, can be washed down by rivers or blown out to sea or - a surprising new study finds - float up from the sea floor. The discovery, ...
List of search results for nitrogen fertilization
