ISSN:
1432-0789
Keywords:
Sewage sludge
;
Fly ash
;
N mineralization
;
Co-recycling of wastes
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Geosciences
,
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
Summary The effect of fly ash on N mineralization in sewage sludge was studied during a 5-week aerobic incubation of soil-waste mixtures at different loading rates under controlled conditions. Periodically, the mixtures were leached with distilled water and the inorganic N released was determined in the percolates. The data were tested by an analysis of variance with repeated measures. Significant differences were found among different incubation periods and also between different treatments. The net N mineralization, expressed as a percentage of organic N added in the sludge, was drastically reduced when higher rates (500 Mg ha-1) of fly ash were added.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00337202
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