Montanari, Rafael, José Marques Júnior, Gener Tadeu Pereira, and Zigomar Menezes de Souza. 2005. “Landscape Form As a Criterion for Sampling Optimization of an Oxisol under Cultivation of Sugar Cane”. Pesquisa Agropecuaria Brasileira 40 (1):69-77. https://doi.org/10.1590/S1678-3921.pab2005.v40.6923.