Balota, E.L., Machineski, O. and Truber, P.V. (2011) “Soil carbon and nitrogen mineralization caused by pig slurry application under different soil tillage systems”, Pesquisa Agropecuaria Brasileira, 45(5), pp. 515–521. doi:10.1590/S1678-3921.pab2010.v45.7877.