Lehmann

Phosphorus Speciation in Manure and Manure-Amended Soils Using XANES Spectroscopy
S. Sato, D. Solomon, C. Hyland, Q.M. Ketterings, and J. Lehmann, NSLS Science Highlights, February 9, 2006

Bio-energy in the Black
Johannes Lehmann, Frontiers in Ecology and the Environment, 2007
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Simpler Way To Counter Global Warming Explained: Lock Up Carbon In Soil And Use Bioenergy Exhaust Gases For Energy
Science Daily News, May 12, 2007

Writing in the journal Nature, a Cornell biogeochemist describes an economical and efficient way to help offset global warming: Pull carbon dioxide out of the atmosphere by charring, or partially burning, trees, grasses or crop residues without the use of oxygen.

Processes: 

Commentary: A Handful of Carbon
Johannes Lehmann in Nature Magazine, Vol 447, 10 May 2007

Locking carbon up in soil makes more sense than storing it in plants and trees that eventually decompose, argues Johannes Lehmann. Can this idea work on a large scale?

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Cornell University: Bio-Char Projects 2007

Bio-char Projects

Currently (January 2007) we conduct experiments to evaluate the effects of bio-char on nutrient adsorption, nutrient leaching, water percolation, soil water availability and carbon cycling as well as the stability and mobility of bio-char itself with research in our Ithaca lab, in Colombia, Brazil, Zambia and Kenya.

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Potential of Pyrolyzed Organic Matter in Soil Amelioration
Bruno Glaser, Johannes Lehmann, Christoph Steiner, Thomas Nehls,
Muhammad Yousaf and Wolfgang Zech, 12th ISCO Conference Beijing 2002

Abstract:

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