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

Table 2

Correlations of elemental concentrations in the Podzol ROI soil samples with significance levels (***𝑃<0.001, **𝑃<0.01, *𝑃<0.05).

	Al	Fe	Mn	C	N
Al	1
Fe	0.89***	1
Mn	0.50**	0.62**	1
C	0.62***	0.64***	0.38*	1
N	0.57*	0.50*	0.28	0.93***	1