Soil carbon stocks at 3 and 11 years of an integrated crop-livestock-forestry system on a clayey Ferralsol in the brazilian savanna.
Integrated Crop-Livestock-Forestry systems (ICLF) are potential carbon sinks. Here we present soil organic carbon (SOC) stocks in an ICLF system at 3 and 11 years after implementation. The ICLF was implemented in 2008/2009 at Boa Vereda farm, in Cachoeira Dourada, Goiás state, Central-West region of Brazil, on a clay Ferralsol. SOC stocks were determined within rows of trees and between rows of trees, hereby called alley, in three soil layers (0.0-0.3, 0.3-1.0 and 0.0-1.0 m) in 2012 and 2020. A non-cultivated pasture was used as reference. Results show a trend for increased soil C stocks at 0.0-1.0 m under ICLF system from 3 to 11 years after implementation compared to the non-cultivated pasture. There was also a higher C accumulation rate under ILPF at this soil layer, compared to the same pasture. All treatments lost C at 0.3-1.0 m, but the non-cultivated pasture lost C the most rapidly. At 0.0-0.3 m all treatments gained C over time. These data only relate to the effect of the presence of trees in the ICLF, weighted COS stocks from tree-rows and alleys were not calculated in this paper.
Main Authors: | MADARI, B. E., CARVALHO, M. T. de M., OLIVEIRA, J. de M., SILVEIRA, A. L. R. da, FREITAS, F. M. C., KOAKUZU, S. N., SIQUEIRA, M. M. de B., ARAÚJO, W. A. de, PACHECO, A. R., MACHADO, P. L. O. de A. |
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Other Authors: | BEATA EMOKE MADARI, CNPAF |
Format: | Anais e Proceedings de eventos biblioteca |
Language: | Ingles English |
Published: |
2021-09-30
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Subjects: | Eucalyptus trees, Integração lavoura-pecuária-floresta, Cerrado, Solo, Carbono, Soil organic carbon, Biosphere, Carbon sequestration, Beef cattle, |
Online Access: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1134893 |
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