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