Figure 1: PCA for the data obtained by loading the 13C-CP/MAS-NMR spectra of HSs from Histosols and composted materials.
(A,C) PCA performed using pure spectra. (B,D) PCA performed through integration of regions of pure spectra.
Figure 1: PCA for the data obtained by loading the 13C-CP/MAS-NMR spectra of HSs from Histosols and composted materials. | Scientific Reports
