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Science News

11/17/2011

Efforts to reduce soil loss in west central Iowa’s Raccoon River watershed appear to be working. According to an analysis of 93 years of soil erosion and sediment transport data, sediment...

11/9/2011

While some reports have suggested a decline in the nutritional quality of food supplies, mineral levels in new varieties of broccoli have not decreased since 1975, according to new...

10/31/2011

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...

10/14/2011

When the Wisconsin CCA courses began in 1994, Carl Nachreiner was first in line to get certified. “It was a pretty tough test,” he remembers. “I had been out of college for 14...

10/6/2011

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...

10/6/2011

Many corn growers in Ohio delay harvest as a management strategy for reducing grain drying costs. However, this practice increases the risk of yield loss due to extended crop weathering.

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9/5/2011

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...

8/31/2011

Organic farming is considered to be environmentally sustainable, but is it economically sustainable?

The answer is yes, according to new...

8/30/2011

Assessing leaf nitrogen needs of corn during the growing season can be important for optimizing yield and for preventing over-application of fertilizer and associated environmental consequences....

8/17/2011

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...