00784nam a2200193 a 450000100080000000500110000800800410001910000190006024500830007926001920016230000120035452000940036665000240046065000340048465000230051865000090054170000230055070000170057318966632012-08-24       2011    bl uuuu     u00u1 u    #d1 aFAGERIA, N. K.  aThe role of soil organic matter in sustainable crop production in the Tropics.  aIn: INTERNATIONAL SYMPOSIUM ON SOIL ORGANIC MATTER, 3., 2011, Leuven. Organic matter dynamics - from soils to oceans: book of abstracts. Leuven, Belgium: European Science Foundationc2011  ap. 195.  aSoil organic matter has long been recognized as important indicator of soil productivity.  aSoil organic matter  aCaracterísticas agronômicas  aMatéria orgânica  aSolo1 aFERREIRA, E. P. B.1 aKNUPP, A. M.