하수슬러지와 음식물쓰레기 침출수슬러지 또는 제지슬러지를 혼합하여 부숙시킨 먹이에 대한 줄지렁이(Eisenia fetida )개체군의 섭식률 및 생장률 (Feeding and Growth Rate of Earthworm(Eisenia fetida) Population on The Sewage Sludge Mixed and Aged with Food Waste Leachate or Paper Mill Sludge)

서지정보

· 발행기관 : 유기성자원학회
· 수록지 정보 : 유기물자원화 / 16권 / 3호 / 52 ~ 64페이지
· 저자명 : 김병우, 배윤환

초록

Aged sewage sludge with food waste leachate sludge or paper mill sludge was fed to earthworm(Eisenia fetida) populations and the effect of it on feeding and growth rate of earthworm population was investigated. Feeding rate of earthworm population on sewage sludge aged with food waste leachate sludge for 30 days was higher than that aged for 10 and 20 days. At 90 days after feeding, the density of earthworm population decreased regardless of aging period. And earthworm population growth to next generation was blocked by sewage sludge. The feeding rate and the density of earthworm population aged with paper mill sludge for 20 days were higher than that on sewage sludges aged for 10 and 30 days. Until 90 days after feeding, the density of earthworm population increased regardless of aging period of sewage sludge, however, since then decreased. There were comparatively higher feeding rate and growth rate of earthworm population on the sewage sludge which had been mixed with paper mill sludge and aged for 20 days, which rendered the probable pretreating method for vermicomposting sewage sludge.

영어초록

Aged sewage sludge with food waste leachate sludge or paper mill sludge was fed to earthworm(Eisenia fetida) populations and the effect of it on feeding and growth rate of earthworm population was investigated. Feeding rate of earthworm population on sewage sludge aged with food waste leachate sludge for 30 days was higher than that aged for 10 and 20 days. At 90 days after feeding, the density of earthworm population decreased regardless of aging period. And earthworm population growth to next generation was blocked by sewage sludge. The feeding rate and the density of earthworm population aged with paper mill sludge for 20 days were higher than that on sewage sludges aged for 10 and 30 days. Until 90 days after feeding, the density of earthworm population increased regardless of aging period of sewage sludge, however, since then decreased. There were comparatively higher feeding rate and growth rate of earthworm population on the sewage sludge which had been mixed with paper mill sludge and aged for 20 days, which rendered the probable pretreating method for vermicomposting sewage sludge.

참고자료

· 없음