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Environment

11/1/2011

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...

10/7/2011

Like so many large water bodies around the globe, Lake Winnipeg in Manitoba, Canada, is experiencing deteriorating water quality that is caused partly by agriculture. And just as in other regions...

9/6/2011

Measuring the emission of greenhouse gases from croplands should take into account the crops themselves.

That’s the conclusion of a study in the Sept.-Oct. issue of the Journal...

8/18/2011

More than 50% of the protein-nitrogen fed to beef cattle can escape annually to the atmosphere as ammonia gas, according to a USDA-led study of two Texas cattle feedyards, and emissions increase...

8/2/2011

Constructed wetlands or ditches planted with dense vegetation can cut pesticide concentrations in downstream waters by more than 70%, suggesting that widespread implementation of these low-cost...

7/27/2011

In Kentucky, hundreds of horse farms dot the land. Thousands of miles of wooden fence posts outline these farms, which have become an icon of the Kentucky landscape. What goes unnoticed is the...

7/11/2011

In the arid farmlands of West Texas, soil salinity is a chronic problem that farmers frequently battle by adding the calcium mineral, gypsum, to soils. But the practice is expensive, plus the...