News tagged with soil quality

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Biofuels without competing claims in Mozambique

It might not seem the most obvious option to generate energy using biomass in Mozambique, where agriculture barely manages to feed the population. But Wageningen UR researchers concluded the contrary: Small bioreactors can ...

Apr 26, 2011
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Can biochar help suppress greenhouse gases?

Nitrous oxide is a potent greenhouse gas and a precursor to compounds that contribute to the destruction of the ozone. Intensively managed, grazed pastures are responsible for an increase in nitrous oxide ...

Mar 18, 2011
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Alternatives eyed for methyl bromide

U.S. Department of Agriculture (USDA) scientists trying to help Florida growers find a replacement for methyl bromide are studying an alternative soil treatment that uses molasses as one of its ingredients.

Mar 16, 2011
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Grazing of cattle pastures can improve soil quality

A team of U.S. Department of Agriculture (USDA) scientists has given growers in the Piedmont guidance on how to restore degraded soils and make the land productive. Researchers with the USDA's Agricultural Research Service ...

Mar 03, 2011
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Southern soils mitigate manure microbes

That swine manure sprayed on to fields adds valuable nutrients to the soil is well known. But what is not known is whether all that manure is bringing harmful bacteria with it.

Sep 10, 2010
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Restoring coastal wetlands? Check the soil

Rising sea levels and coastal development are threatening coastal freshwater wetlands with saltwater intrusion. While most ecosystem restoration projects have focused on surface water and groundwater, new ...

Sep 07, 2010
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Is biochar the answer for ag?

Scientists demonstrate that biochar, a type charcoal applied to soils in order to capture and store carbon, can reduce emissions of nitrous oxide, a potent greenhouse gas, and inorganic nitrogen runoff from agriculture settings. ...

Aug 02, 2010
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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 ...

Jun 21, 2010
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Tracking phosphorus runoff from livestock manure

Nutrient runoff from livestock manure is a common source of agricultural pollution. Looking for an uncommon solution, a team of scientists has developed an application of rare earth elements to control and track runoff phosphorus ...

Jun 14, 2010
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Predicting amount of oil in contaminated soils

Scientists are reporting a new technique for mapping and testing oil-contaminated soils. Traditionally, samples need to be collected from the field and returned to a lab for extensive chemical analysis, costing ...

Jun 09, 2010
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Straw residue helps keep nitrogen on the farm

Scientists are exploring ways to reduce non-point pollution from agriculture. A new study finds that using straw residue in conjunction with legume cover crops reduces leaching of nitrogen into waterways, ...

May 24, 2010
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