Fig. 2. The average near-infrared spectra for soils containing low moisture content (<0.01 kg kg^-1) from four Major Land Resource Area (MLRA) groups. The total C (g kg^-1) and total N (g kg^-1) of these samples are as follows: MLRA 9, total C = 14.5, total N = 1.3; MLRA 67, total C = 7.9, total N = 0.9; MLRA 77, total C = 4.5, total N = 0.6; MLRA 105, total C = 17.3, total N = 1.6

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