Balota, E.L., Machineski, O. e Truber, P.V. 2011. <b>Soil enzyme activities under pig slurry addition and different tillage systems</b&gt; - doi: 10.4025/actasciagron.v33i4.9816. Acta Scientiarum. Agronomy. 33, 4 (maio 2011), 729-737. DOI:https://doi.org/10.4025/actasciagron.v33i4.9816.