[HTML][HTML] Impact of agriculture on the Si biogeochemical cycle: input from phytolith studies

C Keller, F Guntzer, D Barboni… - Comptes …, 2012 - comptes-rendus.academie-sciences …
C Keller, F Guntzer, D Barboni, J Labreuche, JD Meunier
Comptes Rendus. Géoscience, 2012comptes-rendus.academie-sciences …
… A review of the recent literature shows that the biogeochemical cycling of Si that is
generally not impacted by atmospheric input or fertilisation, is significantly altered by
agriculture through the depletion of the phytoliths pool. We present here new evidence that
the exportation of straw can lead to the depletion of the soil phytoliths pool in ∼10 years. In
order to maintain the current levels of … Here we address the question of the perturbation of
the phytoliths pool in soil, which has been recognized as a key parameter in the Si …
1 Aix-Marseille université, CNRS, IRD, UMR 7330, centre européen de recherche et d’enseignement en géosciences de l’environnement (CEREGE), Europôle Méditerranéen de l’Arbois, BP 80, 13545 Aix-en-Provence cedex 4, France
comptes-rendus.academie-sciences.fr
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