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The use of untreated night soil as a fertilizer in agriculture or as a source of nutrients in fish farming represents a considerable health hazard in the form of pathogens and parasites.

TitleUse of night soil in agriculture and fish farming
Publication TypeJournal Article
Year of Publication1993
AuthorsBo, L, Ting-xin, D, Zhi-ping, L, Lou-wei, M, Zhu-xuen, W, An-xiu, Y
Paginationp. 67-70
Date Published1993-01-01
Keywordsanaerobic digestion, biogas production, china, excreta use, feasibility studies, fish farms, health hazards, nutrients
Abstract

The use of untreated night soil as a fertilizer in agriculture or as a source of nutrients in fish farming represents a considerable health hazard in the form of pathogens and parasites. The article reports a pilot study in which night soil was placed in an anaerobic digester, producing biogas and residual organic matter. The latter was introduced into biostabilization ponds, and nutrients were thus obtained for rearing fish. Fish ponds receiving nutrients derived from treated night soil were less contaminated than ones to which untreated night soil was applied, and the fish reared in them were of superior quality.

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