Conde Suárez, P., Seoane, S., López Mosquera, E., Solla Gullón, F., & Merino, A. (2004). Dairy industry sewage sludge as a fertilizer for an acid soil: a laboratory experiment with Lolium multiflorum L. Spanish Journal of Agricultural Research, 2(3), 419-427. https://doi.org/10.5424/sjar/2004023-97