Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Chemical Properties in the Soils of Reclaimed and Natural Tidelands of Southwest Coastal Area of Korea (II) - Distribution of Phosphorus Fractions -

우리나라 서남해안 간척지 및 간석지 토양의 화학적 특성 (II) - 인의 형태별 함량 분포 -

  • 조재영 (전북대학교 농업생명과학대학 농업과학기술연구소) ;
  • 구자웅 (전북대학교 농업생명과학대학 생물자원시스템공학부) ;
  • 손재권 (전북대학교 농업생명과학대학 생물자원시스템공학부)
  • Published : 2006.03.01
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Abstract

The chemical fractions of phosphorus were investigated in the soils of reclaimed and natural tidelands of southwest coastal area of Korea. The content of total-P varied to ranged from 322 to 614 mg/kg dry weight with a mean value of 467 mg/kg. The order of different fractions of phosphorus in reclaimed tideland soils was as follows: 1) inorganic phosphorus: Ca-P > Fe-P > Al-P > reductant soluble Fe-P. 2) organic phosphorus: Inositol-P > nucleic acid-P > phospholipid-P. The content of Al-P showed negative correlation with organic matter content but showed positive correlation with pH. The content of Fe-P showed negative correlation with clay mineral content but showed positive correlation with organic matter content. Reductant soluble Fe-P and Ca-P were no correlation with soil properties. The content of inositol-P showed highly positive correlation with clay mineral, organic matter content, and CEC.

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References

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