Frações do carbono orgânico, biomassa e atividade microbiana em um Latossolo Vermelho sob cerrado submetido a diferentes sistemas de manejos e usos do solo - DOI: 10.4025/actasciagron.v28i3.940

Edicarlos Damacena de Souza; Marco Aurélio Carbone Carneiro; Helder Barbosa Paulino; Carlos Alberto Silva; Salatier Buzetti

doi:10.4025/actasciagron.v28i3.940

Fractions of organic carbon, biomass and microbial activity in a Rhodic Hapludox under Brazilian cerrados submitted to different soil management - DOI: 10.4025/actasciagron.v28i3.940

Edicarlos Damacena de Souza UFRGS
Marco Aurélio Carbone Carneiro UFG
Helder Barbosa Paulino UFg
Carlos Alberto Silva UFLA
Salatier Buzetti UNESP

DOI: https://doi.org/10.4025/actasciagron.v28i3.940

Abstract

Attributes linked to soil quality are very difficult to evaluate, because there are not adequate parameters to compare the obtained results. For this reason, researchers try to establish parameters that would be sensitive to soil management and that would be used as soil quality indicators. The aim of this study was to evaluate the effects of different soil and crop management systems on organic carbon fractions, biomass and microbial activity in a Rhodic Haludox (oxisol) from the Brazilian Cerrados. The light carbon fraction (LCF) was higher in the native cerrado area, comparing to the cropping and tillage systems. Microbial biomass (MB) and metabolic quotient severely decreased by the management treatments. The microbial biomass, the metabolic quotient, the rate LOC/TOC and the rate MB/TOC can be used as indicators of soil quality, which are sensitive to anthropic interferences in the soil in short term. Area under pasture has higher reduction in the pool of carbon and the area with sorghum under no-tillage has smaller carbon loss.

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Author Biography

Edicarlos Damacena de Souza, UFRGS

Possui graduação em Agronomia pela Universidade Federal de Goiás (2004) e mestrado em Agronomia pela Universidade Estadual Paulista Júlio de Mesquita Filho (2005), em processo de doutoramento na Universidade Federal do Rio Grande do Sul. Tem experiência na área de Agronomia, com ênfase em Fertilidade do Solo e Adubação, atuando principalmente nos seguintes temas: nutrição do feijoeiro, fracionamento do carbono, cobertura do solo, fisica do solo e solos de cerrado. No doutorado está trabalhando com fracionamento de fósforo, carbono e nitrogênio em sistema de integração agricultura pecuária Currículo Lattes

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Published

2008-03-04

How to Cite

Souza, E. D. de, Carneiro, M. A. C., Paulino, H. B., Silva, C. A., & Buzetti, S. (2008). Fractions of organic carbon, biomass and microbial activity in a Rhodic Hapludox under Brazilian cerrados submitted to different soil management - DOI: 10.4025/actasciagron.v28i3.940. Acta Scientiarum. Agronomy, 28(3), 323-329. https://doi.org/10.4025/actasciagron.v28i3.940

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Issue

Vol 28 No 3 (2006)

Section

Soils

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