2019•Current ScienceOpen access

Carbon Sequestration Potential of Agroforestry Systems in the Indian Arid Zone

S. P. S. Tanwar, Praveen Kumar, Archana Verma, R. K. Bhatt, Akath Singh, Kanhaiya Lal, M. Patidar, B.K. Mathur

Abstract

Carbon sequestration potential of eight recommended land-use systems of arid western Rajasthan was compared.Biomass C stock was maximum in farm forestry of Acacia tortilis (31.4 Mg C ha -1 ) followed by Prosopis cineraria and Hardwickia binata based silvoarable systems (8.8 and 10.6 Mg C ha -1 ).Soil C stock was also maximum in farm forestry (47.6 Mg C ha -1 ) followed by Ziziphus based systems (32.5-33.9Mg C ha -1 ).About 50-78% of additional soil C stock was in the form of soil inorganic carbon.The total C sequestered (biomass + soil) over a period of nineteen years was in the order: farm forestry (49.80) > silvoarable systems (11.0-13.3)> hortipasture system (8.3)> agri-horti (5.5), silvopasture (5.4) and sole pasture (5.3) compared to -1.0 Mg C ha -1 in sole cropping.

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Key concepts: Arid, Carbon sequestration, Agroforestry, Carbon fibers, Environmental science, Geography, Geology, Biology