News tagged with agricultural fields

The Phosphorus Index: Changes afoot

Phosphorus (P) is both an essential nutrient in agricultural fields and a contributor to poor water quality in surface waters. To encourage improved P management in fields, the P Index was proposed as a risk assessment tool ...

dateNov 06, 2012 in Environment
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Using ground covers in organic production

Studies by U.S. Department of Agriculture (USDA) scientists indicate that organic farmers who need to periodically amend their soils with compost after planting can still control weeds -- and hold down costs -- by using fabric ...

dateAug 30, 2011 in Environment
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Recording the soundscapes of spring

This April, when you step outside and hear the first sounds of spring, you won't be hearing just songbirds and buzzing insects, but aural evidence of an awakening ecosystem.

dateMar 11, 2011 in Ecology
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