News tagged with surface soil

Wood chips help curb nitrate leaching

(PhysOrg.com) -- Wood chips can significantly stem nitrate flow from crop fields into the surrounding watershed, according to a U.S. Department of Agriculture (USDA) study.

dateFeb 20, 2012 in Ecology
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Planting depth's effect on container-grown trees

Many landscape trees are started in-ground, then sold as bare-root ''liners'' to producers who plant them in large containers to grow. To minimize wind damage and to facilitate transport from potting areas ...

dateNov 17, 2011 in Ecology
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Corn gluten meal tested on squash survival, yields

Corn gluten meal, a powdery byproduct of the wet-milling process of corn, has shown important potential for use as an organic, non-selective preemergence or preplant-incorporated herbicide. A team of researchers from the ...

dateMar 17, 2011 in Ecology
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Digging deep for ways to curb ammonia emissions

Dairy farmers can greatly reduce ammonia emissions from their production facilities by injecting liquid manure into crop fields below the soil surface, according to research by the U.S. Department of Agriculture (USDA).

dateSep 28, 2010 in Ecology
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Image: Apollo 16: Footsteps Under High Sun

(PhysOrg.com) -- The lunar module Orion landed in the Descartes Highlands of the moon on April 21, 1972. The Apollo 16 mission targeted a highland region. Originally thought to be a volcanic site, the samples ...

dateJul 08, 2010 in Space Exploration
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Can one-time tillage improve no-till?

A one-time tillage has no adverse effects on yield or soil properties on no-till land, according to field research conducted at the University of Nebraska-Lincoln. Although tillage is another expense for farmers and generally ...

dateJun 28, 2010 in Environment
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Compost filter socks improve runoff from croplands

Water runoff from cropped farm fields can contain large amounts of eroded soil as well as some of the fertilizer and herbicide. Expanding on existing conservation practices, a team of scientists has tested whether compost ...

dateJun 21, 2010 in Environment
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Helping the NRC look below the surface

Agricultural Research Service (ARS) scientists are helping U.S. Nuclear Regulatory Commission (NRC) experts model the movement of radioactive materials in the soil. Their findings can be used to fine-tune the risk assessment ...

dateApr 23, 2010 in Environment
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Planting depth affects popular landscape tree

Landscape trees are increasingly being produced using container nursery systems rather than traditional field production practices. In contrast to field production techniques, successful container production requires a series ...

dateApr 21, 2010 in Other
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