Korean Journal of Environmental Agriculture (한국환경농학회지)
- Volume 14 Issue 3
- /
- Pages.345-350
- /
- 1995
- /
- 1225-3537(pISSN)
- /
- 2233-4173(eISSN)
Decentralized Composting of Garbage in a Small Composter for Dwelling House;IV. Changes in Microbial Flora in Laboratory Composting of the Household Garbage in a Samll Bin with the Double Layer Walls
가정용 소형 퇴비화 용기에 의한 부엌쓰레기의 분산식 퇴비화;IV. 이중벽 퇴비화 용기사용시 미생물상 변동
-
Lee, Youn
(Dept. of Biology, College of Natural Science, Changwon National University) ;
-
Joo, Woo-Hong
(Dept. of Biology, College of Natural Science, Changwon National University) ;
- Seo, Jeoug-Yoon (Dept. of Environmental Engineering, College of Engineering, Changwon National University)
- Published : 1995.12.30
Abstract
Another two different small composters with the double layer walls(Type 3 and Type 4) were made for dwelling house. One was insulated(Type 4) but the other uninsulated(Type 3). The change in microbial flora has been investigated through laboratory composting using these composters. The results were summarized as follows. 1. While the number of mesophilic bacteria decreased, that of thermophilic bacteria increased in winter. But thermophillic bacteria and mesophillic bacteria showed a tendency to increased in winter. But thermophilic bacteria and mesophillic bacteria showed a tendency to increase and decreas simultaneously in spring and summer at the early stage of composting. 2. The number of mesophilic actinomycetes ans thermophilic actinomycetes were decreased after I week in winter, while thermophilic actinomycetes rapidly increased in spring and mildly increased in summer. 3. The number of mesophilic fungi and thermophilic fungi had a tendency to increase and decrease simultaneously at an early stage of composting except after I week in winter. 4. Mesophilic bacteria, actinomycetes and fungi showed no difference in the number of microbes, but the number of fungi in spring was smaller than in other sensons. 5. At the late stage of composting process, the number of mesophilic fungi was decreased in winter and summer but increased in spring.
주택용 소형 퇴비화용기(type 3과 type 4)를 제작하였다. 두 가지 용기의 구조는 다같이 용기의 벽을 이중으로 하였으며 type 4는 보온을 하였고 type 3은 보온을 하지 않았다. 실험실 실험을 통하여 퇴비화하는 과정에서 다음과 같은 미생물의 변동상이 조사되었다 1. 겨울철에는 중온성 세균이 감소하면, 고온성 세균이 증가하였으나 봄철과 여름철에는 퇴비화 초기 중온성 세균과 고온성 세균이 동시에 증가와 감소를 하는 경향이 있었다. 2. 겨울철에는 중온성 방선균과 고온성 방선균이 퇴비화 1주째 함께 감소하였다. 봄철에는 고온성 방선균은 급격하게 증가하였으나 여름철에는 고온성 방선균이 완만한 증가를 보였다. 3. 사상균에서도 겨울 1주 째 까지를 제외하고는 퇴비화 초기에 중온성 사상균과 고온성 사상균이 동시에 증가와 감소를 하였다. 4. 중온성 세균, 방선균, 사상균은 균수에서 차이가 없었으나 봄철에만 사상균의 균수가 적었다. 5. 퇴비화 말기 중온성 균류가 겨울철, 여름철에는 감소하였으나 봄철에는 증가하였다.
Keywords