Long-term effects of sewage sludge and farm slurries applications - Williams, J. H. (John Hugh), 1925-; L'Hermite, P.; Commission of the European Communities Enviroment Research Programme (London : Elsevier Applied Science, 1985)
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Keywords: Sewage sludge as fertilizer -- Congresses; Farm manure liquid -- Congresses; Seage sludge as fertilizer -- Environmental aspects -- Congresses; Fram manure, Liquid -- Environmental aspects -- Congresses