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Carbon Storage in Soil Size Fractions Under Two Cacao Agroforestry Systems in Bahia, Brazil

Author

Listed:
  • Emanuela F. Gama-Rodrigues

    (North Fluminense State University, Soil Laboratory)

  • P. K. Ramachandran Nair

    (University of Florida, School of Forest Resources and Conservation)

  • Vimala D. Nair

    (University of Florida, Soil and Water Science Department)

  • Antonio C. Gama-Rodrigues

    (North Fluminense State University, Soil Laboratory)

  • Virupax C. Baligar

    (USDA-ARS Sustainable Perennial Crop Laboratory)

  • Regina C. R. Machado

    (MARS - Center of Cocoa Science)

Abstract

Shaded perennial agroforestry systems contain relatively high quantities of soil carbon (C) resulting from continuous deposition of plant residues; however, the extent to which the C is sequestered in soil will depend on the extent of physical protection of soil organic C (SOC). The main objective of this study was to characterize SOC storage in relation to soil fraction-size classes in cacao (Theobroma cacao L.) agroforestry systems (AFSs). Two shaded cacao systems and an adjacent natural forest in reddish-yellow Oxisols in Bahia, Brazil were selected. Soil samples were collected from four depth classes to 1 m depth and separated by wet-sieving into three fraction-size classes (>250 μm, 250–53 μm, and

Suggested Citation

  • Emanuela F. Gama-Rodrigues & P. K. Ramachandran Nair & Vimala D. Nair & Antonio C. Gama-Rodrigues & Virupax C. Baligar & Regina C. R. Machado, 2010. "Carbon Storage in Soil Size Fractions Under Two Cacao Agroforestry Systems in Bahia, Brazil," Environmental Management, Springer, vol. 45(2), pages 274-283, February.
    • Handle: RePEc:spr:envman:v:45:y:2010:i:2:d:10.1007_s00267-009-9420-7
    DOI: 10.1007/s00267-009-9420-7
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