Farmers can use less nitrogen while sustaining their lands
by
Sally KneidelPosted
Wed 03 Jun 2009 12:24am
the value of on-farm research. Their results are successfully quantifying and predicting the nitrogen needs for growing corn, saving farmers money and reducing environmental impact.
"With this program, we focus on determining under what situations extra nitrogen would be good to add and when a farmer can save money by reducing fertilizer applications without impacting
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Global Nitrogen: Cycling out of Control
by
Environmental HealthPosted
Wed 30 Jun 2004 9:00pm
Global Nitrogen: Cycling out of Control
Formal Correction: This article has been formally corrected...: Fields S 2004. Global Nitrogen: Cycling out of Control. Environ Health Perspect 112:a556-a563.
doi:10.1289/ehp.112-a556
Like the Earth's water, nitrogenRead on »
How to Create a Nitrogen-Rich, Compost-Fed Soil Bed on Your Patio
by
Chelsea GreenPosted
Sat 07 Mar 2009 2:21pm
The following is an excerpt from by R. J. Ruppenthal. It has been adapted for the Web.
We have a patio area covered with textured concrete. Part of it has a shady section away from the house, which mostly gets reflected light off a stucco wall. The light is enough to grow leafy greens and [...]
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Agriculture: Pesticides Disrupt Nitrogen Fixation
by
Environmental HealthPosted
Fri 30 Nov 2007 9:00pm
Agriculture: Pesticides Disrupt Nitrogen Fixation
Formal Correction: This article has been formally...
Citation: Potera C 2007. Agriculture: Pesticides Disrupt Nitrogen Fixation. Environ Health Perspect 115:A579-A579.
doi:10.1289/ehp.115-a579a
Talk about a vicious
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China's Acid Rain Control Strategy Offset By Increased Nitrogen Oxide Air Pollution
by
StanPosted
Thu 15 Oct 2009 10:01pm
Scientists are reporting the first evidence that China’s sharp focus on reducing widespread damage to soil by acid rain by restricting sulfur dioxide air pollution may have an unexpected consequence: Gains from that pollution control program will be largely offset by increases in nitrogen emissions, which the country’s current policy largely overlooks.
Read
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Liquid nitrogen best for removing warts
by
Dr. John Z.Posted
Tue 21 Sep 2010 12:00am
CMAJ.ca - Cryotherapy with liquid nitrogen is the most effective method... to 79 in the Netherlands. The patients were assigned to three groups: cryotherapy with liquid nitrogen every two weeks, daily self-application of salicylic acid, or a wait-and-see
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Over and Over, Crimson and Clover
by
Pattie B.Posted
Tue 21 Oct 2008 12:13am
the water quality dramatically. Here's what I've learned about one major water problem.
The Woes
Nitrogen is a gaseous element that represents 78% of the earth’s atmosphere. It must be converted into ammonia to be used by plants for proper growth. When industrial farmers overuse chemical fertilizers containing nitrogen, excess nitrogen pollutes
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Many divers are introduced to th ...
by
Odysseys of GeorgePosted
Mon 16 Nov 2009 10:03pm
or in the blood where they should never be.
The source?
The first source is bubble formation from nitrogen that has been dissolved in tissues during the dive. This is otherwise known as DCS (Decompression Sickness)
- During descent and diving, air is breathed at increased pressure, and therefore more of the nitrogen molecules from the air can dissolve
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How does an Oxygen Concentrator work?
by
Susannah H.Posted
Tue 15 Jun 2010 12:00am
, zeolite resembles a miniature Swiss cheese, and presents an enormous amount of surface area on which gas molecules can adsorb. Nitrogen molecules stick more often to zeolite than oxygen molecules because
nitrogen molecules bind more strongly to the zeolite surface than do oxygen molecules. Zeolites tend to concentrate oxygen in the air by removing most
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Ammonia odor caused by common stomach bacteria
by
Dr. Gabe M.Posted
Tue 26 Aug 2008 4:03pm
stronger. The food you eat contains carbohydrates, fats and proteins. Of the three, only protein contains nitrogen. The body has no way to store extra protein, so when you take in more protein than your body needs, your liver knocks nitrogen off the protein and the nitrogen is eventually converted to ammonia and passes through the sweat glands and kidneys
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