Fernandes, Francisco Maximino, Manoel Evaristo Ferreira, and Francisco de A.F. de Mello. “ Sources and Rates of Phosphorous Fertilizers in Soybean Crops Cultivated on Cerrado Soils ”. Anais da Escola Superior de Agricultura Luiz de Queiroz 41, no. 2 (January 1, 1984): 655–674. Accessed July 22, 2024. https://periodicos.usp.br/aesalq/article/view/4981.