Liu et al. 1989

Liu, L. W., Mao, A. J., Becker-Heidmann, P., Scharpenseel, H. W. (1989): The age of chestnut soils. Acta Pedologica Sinica 26 (2): 159–164

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Abstract:

On the basis of elucidation of genetic properties of the soils, organic matter, humic acids and humin in chestnut soils on basalt platforms were dated by the 14C method. The results of radiocarbon dating showed that the chestnut soils of China and the mollisols in other countries of the world were the product of the same period, formed about 6000 years ago. The age of the organic matter fractions from the chestnut soils were in the order: humic acids > humin > total soil organic matter.

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