D. E. Schmitt, L. C. Gatiboni, J. C. Heidemann, D. J. Dall’Orsoletta, G. Boitt, and G. Brunetto, “Phosphorus fractions in soil cultivated with vineyards after 62 years of poultry litter addition”, PAB, vol. 54, no. X, p. e00817, Aug. 2019.