Humic fractions of forest, pasture and maize crop soils resulting from microbial activity

Rose Luiza Moraes Tavares1, Ely Nahas2

  • 1Programa de Pós-Graduação em Agronomia Faculdade de Ciências Agrárias e Veterinárias Universidade Estadual Paulista "Júlio de Mesquita Filho" JaboticabalSP Brazil Programa de Pós-Graduação em Agronomia, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista "Júlio de Mesquita Filho", Jaboticabal, SP, Brazil.

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