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Interactions entre les effets du tassement par les engins d'exploitation et la fertilité chimique des sols forestiers

Abstract : French forest soils are generally poor and half of them have a water-pH lower than 5 The slow adaptation of all the ecosystem components is known as the biogeochemical cycle of nutrients It consists in a massive recycling of elements useful for trees, often seen as indicative of frugality of forests, that leads to satisfactory functions, including production Conversely, any decrease in forest soil fertility adversely affects all these functions The physical stress deriving from mechanization of forest operations represents a new major risk for soil conservation, in strong interaction with mineral fertility The effects of compaction are analysed in this presentation based on results obtained at two experimental sites established twelve years ago on the sensitive soils of the plateau Lorrain Conclusions show that whereas soil degradation is rapid, its restoration is slow Longer-term studies are necessary, but it is clear that soil protection is a major issue, particularly as regards its physical properties.
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https://hal-agroparistech.archives-ouvertes.fr/hal-03146751
Contributor : Revue Forestière Française Agroparistech <>
Submitted on : Monday, February 22, 2021 - 2:05:33 PM
Last modification on : Thursday, April 15, 2021 - 4:36:03 PM
Long-term archiving on: : Sunday, May 23, 2021 - 6:07:49 PM

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  • HAL Id : hal-03146751, version 1

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Jacques Ranger, Arnaud Legout, Pascal Bonnaud, Dominique Arrouays, Gilles Nourrisson, et al.. Interactions entre les effets du tassement par les engins d'exploitation et la fertilité chimique des sols forestiers. Revue forestière française, AgroParisTech, 2020, 72 (3), pp.191-213. ⟨hal-03146751⟩

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