A quantitative review of the effects of biochar application to soils on crop productivity using meta-analysis
Jeffery, S. ; Verheijen, F.G.A. ; van der Velde, M. ; Bastos, A.C.
Agriculture, ecosystems & environment, 2011-11, Vol.144 (1), p.175-187 [Periódico revisado por pares]Oxford: Elsevier B.V
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