Soil variability description using Fourier transform mid-infrared photoacoustic spectroscopy coupling with RGB method - Ma, Fei; Zeng, Yin; Du, Changwen; Shen, Yazhen; Ma, Hongwei; Xu, Sheng; Zhou, Jianming (Catena (Giessen), 2017)
Keywords: absorbance; amides; carbonates; carboxylic acids; China; clay minerals; Fourier transform infrared photoacoustic spectroscopy (FTIR-PAS); iron oxides; kriging; photoacoustic spectroscopy; principal component analysis; quartz; Red-green-blue multicolor method (RGB); soil heterogeneity; soil management; soil organic matter; soil sampling; soil surveys; Soil variability; spectrometers; China; SOM; Fourier transform infrared photoacoustic spectroscopy (FTIR-PAS); PCs; Soil variability; FTIR-PAS; SOC; MD; Red-green-blue multicolor method (RGB); RGB; PCA