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- Shepherd, Keith D., et al. Show all 6 Authors
- Soil Science Society of America journal 2011 v.75 no.6 pp. 2358-2360
- Alfisols; Fourier transform infrared spectroscopy; heat; least squares; prediction; provenance; reflectance; soil organic carbon
- ... Partial least squares regression (PLSR) analysis was used for the generic prediction of soil organic C (C(org)) content in Alfisols using diffuse reflectance Fourier-transform mid-infrared spectroscopy (DRIFT-MIRS). For prediction improvement, we tested the potential of C(org) removal by heating and spectral subtraction of mineralogic signals in DRIFT-MIRS spectra. Eighty-seven Alfisol samples (C( ...