[1]
J. R. Mantovani, I. A. da C. Oliveira, D. J. Marques, A. B. da Silva, and P. R. C. Landgraf, “Phosphorus levels in soil and lettuce production due to phosphorus fertilization”, Semina: Ciênc. Agrár., vol. 35, no. 4Supl, pp. 2369–2380, Sep. 2014.