News tagged with department of agriculture

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Improving air quality with no-till cropping

Studies by U.S. Department of Agriculture (USDA) scientists show some no-till management systems can lower atmospheric levels of PM10—soil particles and other material 10 microns or less in diameter that ...

Jul 06, 2012 5 / 5 (1) 0

Keeping the green in putting greens

When a patch of unwanted grass discolors a putting green, it can cause headaches for golf course managers and for the sod farmers who supply them. But a U.S. Department of Agriculture (USDA) scientist has ...

Jun 22, 2012 not rated yet 0

A new tool for studying insect-plant warfare

(Phys.org) -- When an insect pierces the surface of a plant to feed, much of the action takes place in the plant's interior. A device called the Electrical Penetration Graph (EPG) is a critical tool for peering ...

Jun 08, 2012 not rated yet 0

Winter honey bee losses decline

Total losses of managed honey bee colonies from all causes dropped to 21.9 percent nationwide for the 2011/2012 winter, a decline of some 8 percentage points or 27 percent from the approximately 30 percent ...

Jun 01, 2012 5 / 5 (4) 0