Moreira Ribeiro Gonçalves, José Roberto, Gabriel Araújo e Silva Ferraz, Étore Francisco Reynaldo, Diego Bedin Marin, Patrícia Ferreira Ponciano Ferraz, Manuel Pérez-Ruiz, Giuseppe Rossi, Marco Vieri, and Daniele Sarri. “Comparative Analysis of Soil-Sampling Methods Used in Precision Agriculture”. Journal of Agricultural Engineering 52, no. 1 (January 25, 2021). Accessed April 24, 2024. https://www.agroengineering.org/jae/article/view/1117.