Johannes Lehmann
Revision as of 15:49, 1 December 2009 by Claire Robinson (talk | contribs) (New page: Johannes Lehmann is associate professor of soil fertility management and soil biogeochemistry at Cornell University. He is a prominent proponent of biochar.)
Johannes Lehmann is associate professor of soil fertility management and soil biogeochemistry at Cornell University. He is a prominent proponent of biochar.
