Tilth

Examples of Soil Improvement at EPRIDA
Doug Clayton, April 2007
[G2:144]
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I took the pictures when I visited Danny Day at Eprida last month.

The first shot is of the red Georgia clay before and after charcoal had been tilled in two years prior. The second shows some "structure" as a result of the charcoal treatment. The untreated had become very hard (compacted).

Three and four illustrate how tilth was improved. In both shots Danny

Biogeochemical Processes Influencing Formation and Stabilization of Soil Organic Matter and Soil Structure
Douglas Karlen, Research Leader, Ames, IA 50011 USDA ARS, Soil and Water Quality Research

Project Number: 3625-11120-003-00
Project Type: Appropriated

Start Date: Apr 25, 2006
End Date: Apr 24, 2011

Objective:

Use of Charcoal to Enhance Soil Quality in a Future Powered by Bioenergy
David A. Laird, USDA, ARS, National Soil Tilth Laboratory
Growing the Bioeconomy Conference 2005, Iowa State University, Ames, IA