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A Research of Soil Environmental Health in Urban Garden, Gwangju
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 Title & Authors
A Research of Soil Environmental Health in Urban Garden, Gwangju
Jang, Gil-Sik; Kim, Yun-Hee; Choi, Young-Seop; Kim, Seung-Ho; Kim, Jong-Min; Bae, Seok-Jin; Cho, Young-Gwan; Koo, Tae-Hyoung;
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 Abstract
BACKGROUND: The objective of this study is to evaluate the soil quality to cultivate crops in urban garden.METHODS AND RESULTS: During the period of six month from March to August 2015, measured eight heavy metals, seven Organic items and Fluorine on seventeen urban sites and thirty-one suburban sites in Gwangju city.METHODS AND RESULTS: The average concentration and range of heavy metal in soil are 0.15 mg/kg(ND-0.6) for Cd, 14.9 mg/kg(1.5-33.3) for Cu, 4.4 mg/kg(0.4-71.8) for As, 0.05 mg/kg(ND-1.366) for Hg, 24.7 mg/kg(13.1-62.7) for Pb, 102.5 mg/kg(49.1-276.4) for Zn and 9.2 mg/kg(ND-90.1) for Ni but Cr6+ is not detected. The average value and range of soil fertility items are 253.5mg/kg(76.6-1766.0) for fluorine, 6.4(4.8-7.7) for pH, 20.3 g/kg(5.0-44.0) for orangic matters, 562.7 mg/kg (28.0-1672.0) for available phosphate, 0.6 cmol+/kg (0.1-2.3) for K, 9.7 cmol+/kg (2.7-22.0) for Ca, 3.0 cmol+/kg (0.9-7.4) for Mg, 1.0 ds/m(0.2-2.9) for conductivity. The concentration of Hg in Suburban area is 0.005 mg/kg lower than 0.134 mg/kg in urban area. Also, the concentration of As, Cd, Ni and Zn is lower than urban area as 32%, 37%, 51%, 71% respectively.CONCLUSION: According to SPI index of soil contamination, 39 sites are first degree and 8 sites are second degree and 1 site(41th) is fourth degree. Pb and Cd are not detected and As is detected tiny amounts in plants grown polluted soil, so heavy metals have not moved to plants.
 Keywords
Heavy metal;Organic matter;Soil;SPI index;Urban garden;
 Language
Korean
 Cited by
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