Predictive performance of mobile Vis–NIR spectroscopy for mapping key fertility attributes in tropical soils through local models using PLS and ANN - Eitelwein, Mateus Tonini; Tavares, Tiago Rodrigues; Molin, José Paulo; Trevisan, Rodrigo Gonçalves; Sousa, Rafael Vieira de; Demattê, José Alexandre Melo (Automation, 2022)