Predicting carbon and nitrogen by visible near-infrared (Vis-NIR) and mid-infrared (MIR) spectroscopy in soils of Northeast Brazil - Santos, Uemeson José dos; Demattê, José Alexandre Melo; Menezes, Rômulo Simões Cezar; Dotto, André Carnieletto; Guimarães, Clécia Cristina Barbosa; Alves, Bruno Jose Rodrigues; Primo, Dário Costa; Sampaio, Everardo Valadares de Sá Barretto (Geoderma Regional, 2020)