Articles | Volume 12, issue 23
https://doi.org/10.5194/bg-12-7047-2015
https://doi.org/10.5194/bg-12-7047-2015
Research article
 | 
07 Dec 2015
Research article |  | 07 Dec 2015

Contrasting pH buffering patterns in neutral-alkaline soils along a 3600 km transect in northern China

W. T. Luo, P. N. Nelson, M.-H. Li, J. P. Cai, Y. Y. Zhang, Y. G. Zhang, S. Yang, R. Z. Wang, Z. W. Wang, Y. N. Wu, X. G. Han, and Y. Jiang

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Cited articles

Aitken, R. L.: Relationships between extractable Al, selected soil properties, pH buffer capacity and lime requirement in some acidic Queensland soils, Austr. J. Soil Res., 30, 119–130, 1992.
Aitken, R. L. and Moody, P. W.: The effects of valence and ionic-strength on the measuement of pH buffer capacity, Austr. J. Soil Res., 32, 975–984, 1994.
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Aprile, F. and Lorandi, R.: Evaluation of cation exchange capacity (CEC) in tropical soils using four different analytical methods, J. Agr. Sci., 4, 278–289, 2012.
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Short summary
Soil pH buffering capacity plays a crucial role in predicting acidification rates, yet its large-scale patterns and controls are poorly understood, especially for neutral-alkaline soils. Here, we evaluated the spatial patterns and drivers of pHBC along a massive 3600km transect of land in China, stretching from the country’s subarctic north to its arid deserts. We found distinct drivers of soil acidification processes in different types of soil across northern China, resulting in a new advance.
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