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Last updated on April 21, 2014 at 5:21 EDT

Latest Loam Stories

2011-11-08 22:21:23

Scientists at the U.S. Department of Agriculture (USDA) are leading the way in learning more about "biochar," the charred biomass created from wood, other plant material, and manure. The studies by Agricultural Research Service (ARS) scientists at laboratories across the country support the USDA priorities of promoting international food security and responding to global climate change. ARS is USDA's chief intramural scientific research agency. Soil scientist Jeff Novak at the ARS...

2011-03-29 13:28:28

Danish Study Examines Relationship between Soil Texture, Nutrient Leaching, and Waterway Contamination Research has documented the rise of nutrient runoff from flat agricultural fields with high rates of precipitation that adds nitrates and phosphates to waterways. These nutrients increase the amount of phytoplankton in the water, which depletes oxygen and kills fish and other aquatic creatures. While injecting animal manure slurry into the soil has been proven to be an effective way of...

2008-09-21 03:00:18

By Hawkins, Gary L Gaskin, Julia; Risse, L Mark The drought in the southeastern United States over the past two years has made national news. In some areas of Alabama, Georgia, and Florida, surface and ground water sources are still stressed, and farmers are being asked to cut their usage of irrigation water. One approach to conserving water is conservation tillage systems. Conservation tillage systems plant the summer cash crop directly into a killed winter cover crop with minimal or no...