Camargo, Carlos Eduardo de Oliveira, and Antonio Wilson Penteado Ferreira. 1992. “Tolerance of Wheat Cultivars to Different Levels of Manganese in Nutrient Solution”. Pesquisa Agropecuaria Brasileira 27 (3):417-22. https://doi.org/10.1590/S1678-3921.pab1992.v27.3664.