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NTIS 바로가기한국환경농학회지 = Korean journal of environmental agriculture, v.33 no.4, 2014년, pp.271 - 281
임가희 (서울시립대학교 환경원예학과) , 김계훈 (서울시립대학교 환경원예학과) , 서병환 (경남과학기술대학교 농학한약자원학부) , 김권래 (경남과학기술대학교 농학한약자원학부)
BACKGROUND: Application of the transfer functions derived from local soil data is necessary in order to develop proper management protocols for agricultural soils contaminated with heavy metals through phytoavailability control of the heavy metals. The aim of this study was to derive the transfer fu...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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중금속의 거동을 결정하는 작용에는 무엇이 있는가? | 일반적으로 토양 내 중금속의 거동은 흡수(absorption), 흡착 (adsorption), 침전(precipitation), 복합체 형성(complexation reactions), 식물 흡수(plant uptake), 침출(leaching), 휘발 (volatilization) 등의 작용에 의해 결정된다(Bolan et al., 2014). | |
유기물의 역활은 무엇인가? | 중금속 원소에 따라 다소 차이는 있지만 일반적으로 토양 pH는 중금속 유효도와 음의 상관관계가 있다. 유기물(OM)은 흡착기능으로 인해 유효도를 감소시키거나 토양용액 내용존유기탄소(DOC) 함량을 증가시켜 중금속의 유효도를 증가시키는 역할을 한다(Naidu et al., 1994; Gray et al. | |
중금속 유효도 유추 모델식의 특징은 무엇인가? | , 2011). 통상 empirical model 또는 transfer function으로 불리는 이 모델식은 많은 입력 데이터를 필요로 하지 않으며 데이터 처리에 시간이 적게 소요되어 큰 규모의 데이터를 처리하는데 적합하다(De Vries et al., 1998, 2008; Groenenberg et al. |
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