Changes in Carbon Cycling during Development of Successional Agroforestry

Tomas Selecky, Sonoko D. Bellingrath-Kimura, Yuji Kobata, Masaaki Yamada, Iraê A. Guerrini, Helio M. Umemura and Dinaldo A. Dos Santos
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Tomas Selecky: Leibniz Centre for Agricultural Landscape Research, Müncheberg 15374, Germany
Sonoko D. Bellingrath-Kimura: Leibniz Centre for Agricultural Landscape Research, Müncheberg 15374, Germany
Yuji Kobata: Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu 183-8509, Japan
Masaaki Yamada: Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu 183-8509, Japan
Iraê A. Guerrini: Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu 183-8509, Japan
Helio M. Umemura: Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, Fuchu 183-8509, Japan
Dinaldo A. Dos Santos: Cooperativa Agrícola Mista de Tomé-açu (CAMTA), Tome Acu 68.682-000, Brazil

Agriculture, 2017, vol. 7, issue 3, 1-12

Abstract: Successional agroforestry systems (SAFS) mimic the structure of natural forests while providing economical outputs. This study clarifies how carbon cycling and carbon sequestration change during successional development of SAFS. In Brazil, three successional stages of SAFS, 6, 12, and 34 years old, were compared in terms of carbon balance. Aboveground biomass, fruit harvest, litterfall, soil respiration, and soil organic carbon were measured for two years and analyzed. Carbon sequestration expressed by net primary productivity increased with age of SAFS from 9.8 Mg·C·ha ?1 ·year ?1 in 6-year-old system to 13.5 Mg·C·ha ?1 ·year ?1 in 34-year-old system. Accumulation of plant biomass and increased internal carbon cycling in SAFS led to an intensive sequestration of carbon. SAFS can be a sustainable way of agricultural production on vulnerable tropical soils.

Keywords: successional agroforestry; carbon cycling; soil fertility; Brazil; aboveground biomass; SOC; litterfall; respiration (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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