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A global, empirical, harmonised dataset of soil organic carbon changes under perennial crops

Ledo, Alicia and Hillier, Jonathan and Smith, Pete and Aguilera, Eduardo and Blagodatskiy, Sergey and Brearley, Francis Q and Datta, Ashim and Diaz-Pines, Eugenio and Don, Axel and Dondini, Marta and Dunn, Jennifer and Feliciano, Diana Marisa and Liebig, Mark A and Lang, Rong and Llorente, Mireia and Zinn, Yuri Lopes and McNamara, Niall and Ogle, Stephen and Qin, Zhangcai and Rovira, Pere and Rowe, Rebecca and Vicente-Vicente, José Luis and Whitaker, Jeanette and Yue, Qian and Zerihun, Ayalsew (2019) A global, empirical, harmonised dataset of soil organic carbon changes under perennial crops. Scientific Data, 6. ISSN 2052-4463

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Abstract

A global, unified dataset on Soil Organic Carbon (SOC) changes under perennial crops has not existed till now. We present a global, harmonised database on SOC change resulting from perennial crop cultivation. It contains information about 1605 paired-comparison empirical values (some of which are aggregated data) from 180 different peer-reviewed studies, 709 sites, on 58 different perennial crop types, from 32 countries in temperate, tropical and boreal areas; including species used for food, bioenergy and bio-products. The database also contains information on climate, soil characteristics, management and topography. This is the first such global compilation and will act as a baseline for SOC changes in perennial crops. It will be key to supporting global modelling of land use and carbon cycle feedbacks, and supporting agricultural policy development.

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