Arbejdsrapport fra Miljøstyrelsen, 69/1997; Working report, 69/1997

Ecotoxicological assessment of sewage sludge in agricultural soil


National sludge investigations; Choice of indicators; Danish sludge regulation; MATERIALS AND METHODS; Description of soil, organic fertilizers and crop yield; Field investegation : experimental design : sampling and treatment of samples : potential ammonium oxidation; Laboratory studies : Preference/avoidance : collembolan reproduction : earthworms; Statistical analysis; RESULTS; Field investigations : ammonium oxidation potential : microarthropods : earthworms; Laboratory investigations : collembolan reproduction in soil : reproduction in petri dishes : earthworm tests

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