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논문 기본 정보

자료유형
학술저널
저자정보
Kyo Suk Lee (Chungnam National University) Dong-Sung Lee (National Agricultural Cooperative Federation) Beong-Deuk Hong (Korea Rural Community) Il-Hwan Seo (Chungnam National University) Chul-Soon Lim (Chungnam National University) Hyun-Kyu Jung (Chungnam National University) Doug Young Chung (Chungnam National University)
저널정보
충남대학교 농업과학연구소 Korean Journal of Agricultural Science Korean Journal of Agricultural Science Vol.46 No.4
발행연도
2019.12
수록면
869 - 883 (15page)

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China is currently facing great challenges in protecting its arable soil from contamination by heavy metals, especially Cd in paddy soil. China enacted the first soil environmental quality standards (SEQS) for ten pollutants in 1995, and the Ministry of Ecology and Environment released the results of the first nationwide soil survey in 2014. The soil survey showed that as much as 16% of China"s soil and 19% of the agricultural soils were contaminated mainly with heavy metals and metalloids beyond the environmental quality limits. The exceeded rate of the contaminant limits in food crops was widespread in China, and the most severe regions were East and Southwest China. Heavy metals and metalloids accounted for 82.4% of the contaminants in soils while organic pollutants accounted for 17% of the contaminants in the soil. Among the heavy metals and metalloids exceeding the Ministry of Environmental Protection (MEP) limit, cadmium (Cd) was highest at 7.0%, followed by nickel (4.8%), arsenic (2.7%), cobalt (2.1%), mercury (1.6%) and lead (1.5%). However, all the average concentrations of the pollutants were lower than the recommended values for the contaminants except for Cd for three levels of pH (< 6.5, 6.5 - 7.5, and > 7.5). According to the Action Plan on Prevention and Control of Soil Pollution released by the State Council in 2016, 90% of contaminated farmland will be made safe by 2020 with an increase to 95% by 2030. Therefore, it is necessary to improve the soil quality to meet the environmental quality standard for soils and heavy metal standards for food safety.
#arable land #China #heavy metal #SEQS #soil contamination

목차

Abstract
Introduction
Land uses and development of Chinese soil environmental quality standards (SEQS)
Status of soil contamination in China
Future perspective for soil contamination of arable land in China
Conclusion
References

참고문헌 (45)

참고문헌 신청
Bureau of Science and Education, Ministry of Agriculture / 2012 / Soil heavy metal pollution prevention and control measurement in agricultural products producing area. Document 3 / BSEMA google schola Chen S / 2018 / Overview on current criteria for heavy metals and its hint for the revision of soil environmental quality standards in China / Journal of Integrative Agriculture 17:765~774 google schola CSC (Chinese State Council) / 13th five-year plan google schola 이교석 / 2018 / Spatial Changes and Land Use of Arable Land in China / 한국토양비료학회지(Korean Journal of Soil Science and Fertilizer) 51(4):327~338 Crossref CWR (China Water Risk) / New ‘Soil Ten Plan’ to safeguard China’s food safety & healthy living environment google schola

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