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Assesment of agricultural practices on volcanic ash soils assisted by automated interpretation of mid-infrared spectra and partial least squares multivariate statistical approach

AutorHernández, Zulimar ; Almendros Martín, Gonzalo ; Sanz Perucha, Jesús ; Pérez Trujillo, J. P.; González-Pérez, José Antonio ; González-Vila, Francisco Javier
Fecha de publicación2013
CitaciónFunctions of Natural Organic Matter in Changing Environment: 225-258 (2013)
ResumenAttempt for automated interpretation of mid-infrared (MIR) spectral profiles of humic acids (HAs) from volcanic ash soils was carried out with the aid of plots displaying the valuable importance for projection (VIP) scores computed by partial least squares (PLS) regression. A set of about 200 dependent variables from whole soils and HAs was examined in 30 uncultivated and agricultural soils with the PLS-VIP method in order extract objective information about the extent to which the MIR intensities may be useful to forecast quantitative and qualitative agroecological and biogeochemical factors, as well as to ascribe individual bands to structural or functional HA variables which were determined by independent multianalytical approaches.
Descripción4 pages, 2 references.-- Functions of Natural Organic Matter in Changing Environment presents contributions from the 16th Meeting of the International Humic Substances Society (IHSS 16) held in Hangzhou, China on September 9-14, 2012.
Versión del editorhttp://dx.doi.org/10.1007/978-94-007-5634-2_46
Identificadoresisbn: 978-94-007-5634-2
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