Title: Long-term effects of sewage sludge and farm slurries applications
Subjects: Sewage sludge, Boues d'epuration, Liquid Farm manure, Engrais organiques, Environmental aspects, UE/CE Etats membres, Sewage sludge as fertilizer, Purin, Congresses, Aspect de l'environnement, Congres, Terres cultivees, Engrais, Sols, Boues d'epuration (Engrais), Food service, Caterers and catering, Fertilizers and manures