ESTABLISHING THE CONDITIONS OF AGRICULTURAL UTILIZATION OF ROTTED SEWAGE SLUDGE

Sewage sludge can be a useful fertilizer for the agriculture. It is a potential nutrient source, grades up the soil structure and the water and heat management of the soil. However the utilization of sewage sludge in plant production is limited by the sanitary regulations and the heavy metal content...

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Bibliographic Details
Published in:Cereal research communications 2008-01, Vol.36, p.807-810
Main Authors: HUNYADI, Gergely, BÍRÓ, Tibor, MÉZES, Lili, CSATÁRI, Gábor, BURAI, Péter
Format: Article
Language:English
Subjects:
Biosolids compost
Digestion
Heavy metals
Inoculum
Material degradation
Moisture content
Organic farming
Raw materials
Sewage sludge
Wood chips
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Summary:Sewage sludge can be a useful fertilizer for the agriculture. It is a potential nutrient source, grades up the soil structure and the water and heat management of the soil. However the utilization of sewage sludge in plant production is limited by the sanitary regulations and the heavy metal content. The directives of the EU determine that the biologically treatable wastes – like the sewage sludge - should be used for biogas production, or composting primarily. During the research we installed four different compost recipes with digested sewage sludge, saw dust, wood chips, straw and grass clipping. The aim of the project was to determine the conditions of composting for agricultural utilization, while decreasing the hazardous effects of sewage sludge and produce a stable, final product, which can be used as a fertilizer.
ISSN:0133-3720
1788-9170