Ceretta, C. A., Lorensini, F., Brunetto, G., Girotto, E., Gatiboni, L. C., Lourenzi, C. R., … Miotto, A. (2011). Phosphorus fractions in soil after sucessive pig slurry applications in no-tillage system. Pesquisa Agropecuaria Brasileira, 45(6), 593–602. https://doi.org/10.1590/S1678-3921.pab2010.v45.4805