Consequences of land use change on soil organic matter composition and C-P relationships in Amazonian Dark Earth and Acrisol.
Consequences of land use change on soil organic matter composition and C-P relationships in Amazonian Dark Earth and Acrisol.
Author(s): JAROSCH, K. A.; HURTARTE, L. C. C.; GAVAZOV, K.; MUNIZ, A. W.; MÜLLER, C.; ANGST, G.; SCHWEIZER, S.
Summary: The conversion of tropical forest for cassava cultivation is widely known to decrease the soil organic matter (OM) and nutrient contents of highly weathered soils in the tropics. Amazonian Dark Earth (ADE) might be more resistant to this process due to their historical anthropogenic amelioration with e.g. charcoal, ceramics and bones, leading to higher soil OM and nutrient concentrations. In this study, we analyzed the effect of land use change on the OM dynamics under tropical conditions and how this is related with P distribution at the microscale, using ADE and an adjacent Acrisol (ACR) as model systems.
Publication year: 2021
Types of publication: Abstract in annals or event proceedings
Unit: Embrapa Western Amazon
Keywords: Terra Preta de Índio
Observation
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