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Organic matter characterization in whole and demineraized andosols

AuthorsGonzález-Pérez, José Antonio ; Knicker, Heike ; Armas, Cecilia; Arbelo, C. D.; González-Vila, Francisco Javier ; Rodríguez Rodríguez, A.
Issue Date2013
PublisherEuropean Association of Organic Geochemists
CitationOrganic Geochemistry: Trends for the 21th Century II: 535-536 (2013)
AbstractAndosols are usually formed from volcanic substrates, with thick dark A horizons rich in organic carbon (5-20%), occurring mainly in the form of stabilized humic material. The peculiar properties of these variable-charge soils are due to the occurrence of poorly crystalline materials such as allophanes, imogolite and other Fe and Al oxyhydroxides. Such materials are prone to form organo-mineral structures with a high degree of stability. Consequently, Andosols store much more organic matter (OM) than other soils under similar conditions (Rodríguez-Rodríguez et al., 2002 and references therein).
Description2 pages, 1 figure, 3 references.-- Póster presentado al citado congreso en la Sesión II: Soil (S) Nº 564.-- Book of Abstracts of the Communications presented to the 26th International Meeting on Organic Geochemistry (IMOG), held in Costa Adeje, Tenerife – Spain, September 15 – 20, 2013.
Appears in Collections:(IRNAS) Comunicaciones congresos
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