1.
Benevides Filho V de A, Neder NR, Campos H de, Braga Jr. RLC. The use of the microbiological tests in the extration of the available zinc of the soils of Piracicaba municipality . An. Esc. Super. Agr. Luiz de Queiroz. 1987;44(1):181-207. doi:10.1590/S0071-12761987000100009