The Effects of Spectral Pretreatments on Chemometric Analyses of Soil Profiles Using Laboratory Imaging Spectroscopy

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</svg> values for the PLSR models of the unchanged reflectance spectra and 7 pre-treatments for Al, Fe, Mn, C, and N.</table>

Applied and Environmental Soil Science

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Figure 5

Figure 5: The Effects of Spectral Pretreatments on Chemometric Analyses of Soil Profiles Using Laboratory Imaging Spectroscopy 