콘텐츠 본문
논문 국내 국내전문학술지(KCI급) THE CELL VIABILITY ON KELP AND FIR BIOCHAR AND THE EFFECT ON THE FIELD CULTIVATION OF CORN
- 학술지 구분 국내전문학술지(KCI급)
- 게재년월 2016-03
- 저자명 우승한
- 학술지명 청정기술
- 발행처명 한국청정기술학회
- 발행국가 국내
- 논문언어 외국어
- 전체저자수 4
논문 초록 (Abstract)
Field cultivation of corn and microbial cell viability tests using Pseudomonas putida K-5 were performed to assess the toxiceffect o f kelp seaweed biochar (KBC) and fir wood biochar (FBC) produced by pyrolysis. After 63 days growth, FBC increased corn growth by 4.9 % without fertilizer and by 7.6% with fertilizer, while KBC decreas ed it by 20.2% without fertilizer and by 27.9% with fertilizer. Physico-chemical characterization of the biochars such as ICP, CHON, and proximate analyses showed that KBC contained large am ount of metals and ashes which could be responsible for its inhibition t o corn growth. Upon exposure of K-5 cells for 1 h to biochar extracts, t he cell viability in KBC extracts was 48.2% and quite lowerthan that (78.6%) in FBC. Washed KBC biochar with water at 1:10 w/v % increased the cell viability to 54.0%. The results indicated that seaweed biochar may be careful t o be used for plant growing additives due to its high concentra tions of metals and ashes. This toxic effect could be reduced by proper washing method with water.
