Corrêa, Marciabela Fernandes, Renan Navroski, Aline Duarte Gomes, Alexandre Gazolla Neto, Ariele Paula Nadal, José Henrique Nunes Flores, Rafael de Oliveira Vergara, Gizele Ingrid Gadotti, and Luis Osmar Braga Schuch. 2017. “Spatial Variability of Chemical and Agronomic Attributes of Soil in Wheat Seed Production Field”. Scientia Agraria Paranaensis 16 (4):500-509. https://saber.unioeste.br/index.php/scientiaagraria/article/view/15845.