Short Communication: Soil carbon pools in different pasture systems

  • Francisco M. Jr. Cardozo Federal University of Piauí, Agricultural Science Center, Pos-Graduation Program in Animal Science, Teresina, PI, 64049-550
  • Romero F. V. Carneiro Federal University of Piauí, Agricultural Science Center, Pos-Graduation Program in Animal Science, Teresina, PI, 64049-550
  • Luiz F. C. Leite Embrapa Mid-North, Av. Duque de Caxias, SN, Teresina, PI, 64000-000
  • Ademir S. F. Araujo Federal University of Piauí, Agricultural Science Center, Soil Quality Lab., Teresina, PI, 64000-000
Keywords: humic substances, carbon management, agroforestry system

Abstract

The aim of this study was to assess the carbon pools of a tropical soil where the native forest was replaced with different pasture systems. We studied five pasture production systems, including four monoculture systems with forage grasses such as Andropogon, Brachiaria, Panicum, and Cynodon, and an agroforestry system as well as a native vegetation plot. Greater availability of fulvic acid was detected in the agroforestry system as compared with that in the other systems. Higher lability of C was detected in the Andropogon system during the dry and rainy seasons and during the dry season in Cynodon. During the dry season, all pastures systems showed deficits in the net removal of atmospheric CO2. The structure and practices of the agroforestry system enables more carbon to be sequestered in the soil as compared with the monoculture pasture, suggesting that it is an important practice to mitigate climatic change and to improve soil quality.

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References

Bao X, Li Q, Hua J, Zhao T, Liang W, 2015. The interactive effects of elevated ozone and wheat cultivars on soil microbial community composition and metabolic diversity. Appl Soil Ecol 87: 11-18. http://dx.doi.org/10.1016/j.apsoil.2014.11.003

Barros KRM, Lima HV, Canellas LP, Kern DC, 2012. Fracionamento químico da matéria orgânica e caracterização física de Terra Preta de Índio. Rev Cienc Agrar 55: 44-51. http://dx.doi.org/10.4322/rca.2012.037

Bausenwein U, Gattinger A, Langer U, Embacher A, Hartmann HP, Sommer M, Munch JC, Schloter M, 2008. Exploring soil microbial communities and water extractable organic matter: availability and interactions in an integratedly managed arable soil. J Appl Soil Ecol 140: 67-77. http://dx.doi.org/10.1016/j.apsoil.2008.03.006

Blair GJ, Lefroy RDB, Lisle L. 1995. Soil carbon fractions based on their degree of oxidation, and the development of a carbon management index for agricultural systems. Aust J Agr Res 46: 1459-1466. http://dx.doi.org/10.1071/AR9951459

Bustamante MMC, Nobre CA, Smeraldi R, 2012. Estimating greenhouse gas emissions from cattle raising in Brazil. Clim Ch 115: 559-577. http://dx.doi.org/10.1007/s10584-012-0443-3

Carvalho JLN, Raucci GS, Frazao LA, Cerri CEP, Bernoux M, Cerri CC, 2014. Crop pasture rotation: A strategy to reduce soil greenhouse gas emissions in the Brazilian Cerrado. Agr Ecosyst Environ 183:167-175. http://dx.doi.org/10.1016/j.agee.2013.11.014

Chan KY, Bowman A, Oates A, 2001. Oxidizible organic carbon fractions and soil quality changes in a paleustalf under different pasture leys. Soil Sci 166: 61-67. http://dx.doi.org/10.1097/00010694-200101000-00009

Leite LFC, Iwata BF, Araujo ASF, 2014. Soil organic matter pools in a tropical savanna under agroforestry system in northeastern Brazil. Rev Árvore 38: 1-8. http://dx.doi.org/10.1590/S0100-67622014000400014

Lenka NK, Choudhury PR, Sudhishri S, Dass A, Patnaik US, 2012. Soil aggregation, carbono build up and root zone soil moisture in degraded sloping lands under selected agroforestry based rehabilitation systems in eastern India. Agr Ecosyst Environ 150: 54-62. http://dx.doi.org/10.1016/j.agee.2012.01.003

Lopes MM, Salviano, AAC, Araujo ASF, Nunes LAPL, Oliveira ME, 2010. Changes in soil microbial biomass and activity in different Brazilian pastures. Span J Agric Res 8: 1253-1259. http://dx.doi.org/10.5424/sjar/2010084-1411

Martins EL, Coringa JES, Weber OLS, 2009. Carbono orgânico nas frações granulométricas e substâncias húmicas de um Latossolo Vermelho. Amarelo distrófico-LVAd sob diferentes agrossistemas. Acta Amaz 39: 655-660. http://dx.doi.org/10.1590/S0044-59672009000300021

Moraes GM, Xavier FA, Mendonca E, Filho JA, Oliveira JN, 2011. Chemical and structural characterization of soil humic substances under agroforestry and conventional systems. Rev Bras Ci Solo 35: 1597-1608. http://dx.doi.org/10.1590/S0100-06832011000500014

Murgeitio E, Calle Z, Uribe F, Calle A, Solorio B, 2011. Native trees and shrubs for the productive rehabilitation of tropical cattle ranching lands. Forest Ecology and Management 261: 1654-1663. http://dx.doi.org/10.1016/j.foreco.2010.09.027

Soussana JF, Lemaire G, 2014. Coupling carbon and nitrogen cycles for environmentally sustainableintensification of grasslands and crop-livestock systems. Agr Ecosyst Environ 190: 9-17. http://dx.doi.org/10.1016/j.agee.2013.10.012

Swift RS, 1996. Organic matter characterization. In: Methods of soil analysis; Sparks DL et al. (eds). pp. 1011-1020. Soil Sci Soc Am, Madison, WI, USA.

Yang X, Ren W, Sun B, Zhang S, 2012. Effects of contrasting soil management regimes on total and labile soil organic carbon fractions in a loess soil in China. Geoderma 177: 49-56. http://dx.doi.org/10.1016/j.geoderma.2012.01.033

Yeomans C, Bremmer JM, 1988. A rapid and precise method for routine determination of organic carbono in soil. Comm. Soil Sci Plant Anal 19: 1467-1476. http://dx.doi.org/10.1080/00103628809368027

Published
2016-03-02
How to Cite
CardozoF. M. J., CarneiroR. F. V., LeiteL. F. C., & AraujoA. S. F. (2016). Short Communication: Soil carbon pools in different pasture systems. Spanish Journal of Agricultural Research, 14(1), e11SC01. https://doi.org/10.5424/sjar/2016141-7939
Section
Soil science