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KMID : 1024520110200111447
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Journal of the Environmental Sciences
2011 Volume.20 No. 11 p.1447 ~ p.1455
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Evaluation of Soil in Planting Ground at Seashore Reclaimed Land in Incheon
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Kim Won-Tae
Yoon Yong-Han
Kim Jeong-Ho
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Abstract
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The purpose of this study was to analyze physicochmical characteristics of oil within planting base of Incheon coastal reclamation cities where 10 years have passed since reclamation, and to provide basic data to promote growth and development of plants by conducting evaluation based on the planting degree standard. Study targets were Cheongra, Sondo, and Yeongjong districts within Incheon Free Economic Zone, the coastal reclamation city. The analysis results of average soil characteristics of 3 districts. Soil acidity(pH) was shown in orders of Cheongra district(8.85) ＞ Songdo district(8.70) ＞ Yeongjong district(7.97) and electric conductivity(EC) was shown in orders of Cheongra district(4.80 dS/m) ＞ Songdo district(1.30dS/m) ＞ and Yeongjong district(0.07 dS/m). Organic matter content(OMC) was shown in orders of Cheongra district(5.72%) ＞ Songdo district(2.60%) ＞ Yeongjong district(0.59%) and available phosphate was shown in orders of Cheongra district(70.70 mg/kg) ＞ Songdo district(23.07 mg/kg) ＞ Yeongjong district(2.49 mg/kg). K + was shown in orders of Songdo district(0.84 cmol/kg) ＞ Cheongra district(0.74 cmol/kg) ＞ Yeongjong district(0.22 cmol/kg), Ca ++ was shown in orders of Cheongra district(22.08 cmol/kg) ＞ Songdo district(9.87 cmol/kg) ＞ Yeongjong district(4.04 cmol/kg), and Mg ++
was shown in orders of Cheongra district(1.98 cmol/kg) ＞ Songdo district(1.22 cmol/kg) ＞ Yeongjong district(1.12 cmol/kg). Planting base level of coastal reclaimed land can be applied with above intermediate level, soil acidity and available phosphate were all more than intermediate in 3 districts, and electric conductivity was low level in Cheongra district and more than intermediate level in Songdo and Yeongjong districts. Organic matters content was more than intermediate level in Cheongra district and low level in Songdo and Yeongjong district. K+ among exchangeable ions was intermediate level in Cheongra and Songdo districut and low in Yeongjong district. Ca ++ and Mg ++ both were more than imtermidiate levels in 3 districts.
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KEYWORD
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Planting grade, Soil acidity(pH), Electrical conductivity(EC), Soil organic matter(O.M.)
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