지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.8
- 수록면
- 318 - 324 (7page)
이용수
초록· 키워드
오류제보하기
Lime bordeaux mixture (LBM) and lime sulfur mixture (LSM) are representative environmental friendly organic materials for prevention of insect pests in South Korea. Recently, those have been widely used as an alternative for chemical pesticides in eco-friendly farms. However, South Korea has not established even recommendation of LBM and LSM considering the stability of heavy metals in soil. The aim of this study was to evaluate the accumulation of hazardous heavy metals in soil and plant with long-term application of LBM and LSM. Firstly, we investigated the amount of LBM and LSM used per year in several eco-friendly farms to determine a standard application rate of both materials. The pepper plant was grown on the pot in greenhouse for 14 weeks. Both materials were applied at 0, 1, 3, and 9 times of standard application rates (2.56 and 1.28 L ha-1 of LBM and LSM per year, respectively). Dry matter yield of pepper and heavy metals (As, Cd, Cu, Hg, Ni, Pb, and Zn) concentration in soil and pepper plant were measured after 14 weeks. Yield of pepper plant did not significantly chang with up to application rate of 1 times, thereafter it markedly decreased with more than 3 times. With increasing LBM and LSM application, the concentration of Cu and Zn in soil significantly increased. Especially, Zn concentration in pepper significantly increased with increasing application rates of both materials. This might resulted in significant decrease in dry matter yield of pepper. The concentrations of those heavy metals in soil did not exceed safety levels (150 mg kg<SUP>-1</SUP> for Cu and 300 mg kg<SUP>-1</SUP> for Zn) established by the Korean Soil Environmental Conservation Act as well as concentration of heavy metals in pepper plant by Korean Ministry of Food and Drug Safety. However, particular attention should be paid for heavy metal safety and crop productivity when using LBM and LSM in the organic farm.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (20)
참고문헌 신청
Ahn, I. 2010. Setting of evaluation criteria for safety management of organic farming materials in the major OECD nations. Rural Development Administration (RDA) annual report. Korea.
Buchanan, G.A. and T.G. Amos. 1992. Grape pests, p. 209-231. In: Coombe, B.G. and Dry, P.R. (ed), viticulture: Vol. 2 practices, Winetitles, Adelaide SA, Australia.
Chen, W., X. Yang, Z. He, Y. Feng, and F. Hu. 2008. Differential changes in photosynthetic capacity, chlorophyll fluorescence and chloroplast ultrastructure between Zn efficient and Zn inefficient rice genotypes (Oryza sativa) under low zinc stress. Physiol. Plant. 132:89-101.
Dhir, B., P. Sharmila, and P. Pardha Sarad. 2008. Phytosynthetic performance of Salvinia natans exposed to chromium and zinc rich wastewater. Braz. J. Plant Physiol. 20:61-70.
Emmett, R.W., A.R. Harris, R.H. Taylor, and J.K. McGechan. 1992. Grape diseases and vineyard protection. p. 232-278. In: B.G. Coombe, P.R. Dry (ed), Viticulture, Practices, Vol. 2, Winetitles, Adelaide Sa. Australia.
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UCI(KEPA) : I410-ECN-0101-2018-523-001256776