Articles | Volume 14, issue 22
https://doi.org/10.5194/bg-14-5239-2017
https://doi.org/10.5194/bg-14-5239-2017
Research article
 | 
23 Nov 2017
Research article |  | 23 Nov 2017

How big is the influence of biogenic silicon pools on short-term changes in water-soluble silicon in soils? Implications from a study of a 10-year-old soil–plant system

Daniel Puppe, Axel Höhn, Danuta Kaczorek, Manfred Wanner, Marc Wehrhan, and Michael Sommer

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Cited articles

Alexandre, A., Meunier, J. D., Colin, F., and Koud, J. M.: Plant impact on the biogeochemical cycle of silicon and related weathering processes, Geochim. Cosmochim. Ac. 61, 677–682, 1997.
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Barão, L., Clymans, W., Vandevenne, F., Meire, P., Conley, D. J., and Struyf, E.: Pedogenic and biogenic alkaline-extracted silicon distributions along a temperate land-use gradient, Eur. J. Soil Sci., 65, 693–705, 2014.
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Bartoli, F. and Wilding, L. P.: Dissolution of biogenic opal as a function of its physical and chemical properties, Soil Sci. Soc. Am. J., 44, 873–878, 1980.
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We quantified different biogenic Si pools in soils of a developing ecosystem and analyzed their influence on short-term changes of the water soluble Si fraction. From our results we concluded small (< 5 µm) and/or fragile phytogenic Si structures to have the biggest impact on short-term changes of water soluble Si. Analyses of these phytogenic Si structures are urgently needed in future as they seem to represent the most important driver of Si cycling in terrestrial biogeosystems in general.
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