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First entry to the Soil Carbon Challenge

Posted by Peter Donovan 9 years ago

  The Soil Carbon Challenge


Water and soil demonstration

Posted by Peter Donovan 9 years ago

Soil scientist Ray Archuleta shows a remarkable contrast in the responses of tilled and no-tilled soil to water. Note that the biological glue he speaks of during the second half, substances such as glomalin, are one of the important large compounds that contain soil carbon. The takeaway from this demonstration is also that soil organic carbon has huge leverage on the effectiveness of the water cycle. See also http://managingwholes.com/eco-water-cycle.htm


Soil and society

Posted by Peter Donovan 9 years ago

Charles E. Kellogg wrote an essay published in the United States Department of Agriculture's 1938 Yearbook of Agriculture (Soils and Men). Thanks to Abe Collins for the tip.


John Todd on soil and the carbon cycle

Posted by Peter Donovan 9 years, 3 months ago

John Todd, of Living Machines fame and the New Alchemy Institute, has an interesting essay on http://www.thesolutionsjournal.com/node/634 about the need for our urban and industrial society to understand the foundational role of soil, and the carbon cycle.


Keyline film from 1955

Posted by Peter Donovan 9 years, 3 months ago

We are indebted to Darren Doherty's website regenag.com for the following information and video: