Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Comparison between natural and anthropogenic soils through fractal dimension analysis

프랙탈 차원 해석을 통한 인위토양과 자연토양 비교

  • 신국식 (국립농업과학원 토양비료과) ;
  • 오택근 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 허승오 (국립농업과학원 토양비료과) ;
  • 현병근 (국립농업과학원 토양비료과) ;
  • 조현준 (국립농업과학원 토양비료과) ;
  • 손연규 (국립농업과학원 토양비료과)
  • Received : 2014.11.10
  • Accepted : 2014.11.17
  • Published : 2014.12.31
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Abstract

In general, fractal analysis which is based on self-similarity as a basic theory has been mainly used to define the characteristics of complex mathematical figures, however, considering its basic theory, it can be also used to analyze the surface ununiformity of unknown materials. In this study, the soil samples were collected from the reclaimed (remodelled) agricultural fields which mean that the external soil is artificially piled up (mainly up to 1m) on the lands, Naju, Jellanam-do and Gumi, Gyeongsangbuk-do, and the conventional agricultural fields, Anseong, Gyeonggi-do and Hwasoon, Jellanam-do, and compared using fractal dimension analysis on the basis of the results of chemical properties. The score of fractal dimension ($D_0$) for organic matter was lower in Hwasoon (1.46) and Naju (1.58) than Anseong (1.86) and Gumi (1.96), and this trend showed similarly in soil pH. On the basis of the results of chemical properties, fine textured-soils (Hwasoon and Naju) and conventional agricultural fields were chemically uniform compared to coarse textured-soils (Anseong and Gumi) and the reclaimed. Therefore, it is required to develop technical methods for integrated soil management to the reclaimed lands.

Keywords

References

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