- Volume 19 Issue 1
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Effect of Surfactant-Coated Charcoal Amendment on the Composting Process and Nutrient Retention
Pinwisat, Phetrada;Phoolphundh, Sivawan;Buddhawong, Sasidhorn;Vinitnantharat, Soydoa
- Received : 2013.07.19
- Accepted : 2014.01.03
- Published : 2014.03.30
This research investigates the quality changes during composting of bagasse and pig manure amended with 30% of surfactant-coated charcoal (SC). Two treatments, 30% uncoated charcoal (UC) amendment and no charcoal (NC) amendment, were done as control. Charcoal was coated with 0.37 mM tetradecyltrimethylammonium bromide (TDMA), a cationic surfactant, at the dosage of 10 g/L. At the end of the composting period, the carbon to nitrogen (C/N) ratio of SC amendment was 9.7; whereas, the C/N ratios of UC and NC amendment were 12.6 and 21.4, respectively. Plant nutrients contents of the compost produced from SC amendment were 20.7 mg
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