가정용 소형 퇴비화용기에 의한 부엌쓰레기의 분산식 퇴비화 - Ⅴ. 현장조건에서 퇴비화 - = Originals : Decentralized Composting of Garbage by a Small Composter for a Dwelling House - Ⅴ. Field experiment -

다국어 초록 (Multilingual Abstract)

This study was conducted to investigate the possibility of composting of household garbage. The composter with the double layer walls was operated for 60 days in each season. The following results were obtained at the end of the experiment, if the time was not specified. 1) The maximum temperature was 31℃ in spring, 36℃ in summer and 50℃ in winter. 2) The mass was reduced to an average of 58.5%. 3) pH values of the compost were 8.21 in spring, 8.29 in summer and 7.94 in winter. 4) The ash contents were 55.8% in spring, 57% in summer and 73.8% in winter. 5) The nitrogen contents were in the range of 0.2∼5.8%. Its values were the highest in winter and the lowest in summer. 6) Inorganic contents of the compost were in the range of : P₂O_5 ; 1.5∼4.41%, K₂O ; 0.02∼1.31%, CaO 0.13∼1.68% and MgO 0.05∼1.22%. 7) Heavy metal contents of the compost were in the range of : Zn; 13∼89㎎/㎏, Cu; 4∼62㎎/㎏, Cd; 1∼21㎎/㎏, Pb; N.D.∼97㎎/㎏, Cr; N.D.∼37 and Hg; N.D.∼1.38㎎/㎏.