Comment on "Carbon-negative biofuels from low-input high-diversity grassland biomass".

Michael P. Russelle, R. Vance Morey, John M. Baker, Paul M. Porter, Hans Joachim G. Jung

Research output: Contribution to journalComment/debatepeer-review

33 Scopus citations


Tilman et al. (Reports, 8 December 2006, p. 1598) argued that low-input high-diversity grasslands can provide a substantial proportion of global energy needs. We contend that their conclusions are not substantiated by their experimental protocol. The authors understated the management inputs required to establish prairies, extrapolated globally from site-specific results, and presented potentially misleading energy accounting.

Original languageEnglish (US)
Pages (from-to)1567; author reply 1567
JournalScience (New York, N.Y.)
Issue number5831
StatePublished - Jun 15 2007


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