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Summary: Soil Carbon Sequestration in Traditional Farming in
Sudanese Dry Lands
JONAS ARD ¨O*
Department of Physical Geography and Ecosystems Analysis
Lund University
So¨ lvegatan 12, S-223 62 Lund, Sweden
LENNART OLSSON
Centre for Environmental Studies
Lund University
Box 170, S-221 00, Sweden
ABSTRACT / Do altered land management practices offer
possibilities to sequester carbon in the soil and thereby miti-
gate increasing atmospheric CO2 as well as improve local soil
fertility? This study investigates the impact of fallow periods on
soil organic carbon in semiarid subsistence agroecosystems
on sandy and poor soils in Kordofan, Sudan. The area is char-
acterized by low-input cultivation of millet and sorghum in
combination with livestock grazing. Recently, cultivation inten-
sity has increased and the fallow periods have been short-
ened. Soil carbon contents were assessed for sites that have
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