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Lignin alteration patterns and the appraisal of quality of composted materials used in organic agriculture

AuthorsHernández, Zulimar ; Carral, Pilar; Álvarez, A.; Piedra-Buena, Ana; Almendros Martín, Gonzalo
Organic agriculture
Issue Date2008
AbstractThe need of establishing accurate compost stability indices valid for lignocellulosic materials irrespectively to their original composition (e.g. manures, straw, forest and crop residues) requires analytical methodologies informing not only about the concentration of the major macromolecular constituents (carbohydrate, lignin, protein and lipid) but also on the changes in the molecular composition which occur as a result of the microbial transformations. In this study a series of indices of the potential of different lignocellulosic materials to behave as a source of stable soil organic matter (i.e. resistant to microbial degradation and representing starting material suitable to be transformed into humic substances) are studied by analytical pyrolysis
DescriptionPoster presentado en: II International Conference on Soil and Compost Eco-Biology, Puerto de la Cruz, Tenerife (Spain)
Appears in Collections:(IRN) Comunicaciones congresos
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