Spectroscopic based partial least-squares models to estimate soil features

Ezequiel Jose Novacoski, Isis Kaminski Caetano,Fabio Luiz Melquiades,Aline Marques Genu,Yohandra Reyes Torres,Pedro Pablo Gonzalez-Borrero

Microchemical Journal（2022）

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摘要

•EDRXF, FTIR and PAS data with PLS-DA were investigated for soil classification.•Best soil classification: type (EDXRF), management (FTIR), region (all techniques).•iPLS was used to determinate soil texture, EDXRF and FTIR were more suitable than PAS.•This quick and environmentally friendly approach is suitable for soil analysis.

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关键词

Soil classification,Energy dispersive X-ray fluorescence,Fourier transform mid-infrared spectroscopy,Photoacoustic spectroscopy,Partial least-squares-discriminant analysis

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