Characterization of organic matter in Spodosol Amazonian by fluorescence spectroscopy - Tadini, Amanda M.; Hajjoul, Houssam; Nicolodelli, Gustavo; Mounier, Stephane; Montes, Celia Regina; Milori, Debora Marcondes Bastos Pereira (International Journal of Environmental, Chemical, Ecological, Geological and Geophysical Engineering, 2017)