한국환경농학회지 (Korean Journal of Environmental Agriculture)

  • 제38권3호
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  • Pages.213-218
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  • 2019
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  • 1225-3537(pISSN)
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  • 2233-4173(eISSN)
한국환경농학회 (The Korean Society of Environmental Agriculture)
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한국 밭토양 화학성 변동 평가

Status and Changes in Chemical Properties of Upland Soil from 2001 to 2017 in Korea

  • 김이현 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 공명석 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 이은진 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 이태구 (농촌진흥청 국립농업과학원 농업환경부 토양비료과) ;
  • 정구복 (농촌진흥청 국립농업과학원 기획조정과)
  • Kim, Yi-Hyun (Soil & Fertilizer Management Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Kong, Myung-suk (Soil & Fertilizer Management Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Lee, Eun-Jin (Soil & Fertilizer Management Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Lee, Tae-Goo (Soil & Fertilizer Management Division, Department of Agricultural Environment, National Institute of Agricultural Science, Rural Development Administration) ;
  • Jung, Goo-Bok (Planning and Coordination Division, National Institute of Agricultural Science, Rural Development Administration)
  • 투고 : 2019.08.12
  • 심사 : 2019.09.23
  • 발행 : 2019.09.30
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초록

BACKGROUND: Monitoring of the dynamic changes of chemical properties in agricultural land is very important for agricultural sustainability. Chemical properties of agricultural soils in Korea have been investigated at four-year interval in the order of paddy, plastic film house, upland, and orchard soils since 1999. METHODS AND RESULTS: Total 8,160 topsoil samples were taken from the upland in 2001, 2005, 2009, 2013, and 2017, respectively. Soil chemical properties such as pH, electrical conductivity (EC), organic matter (OM), available phosphate (Avail. $P_2O_5$), and exchangeable (Exch.) cations (K, Ca, and Mg) were analyzed. Soil pH and Exch. Ca contents have increased since 2001. Average concentration of Avail. $P_2O_5$ increased from $547mg\;kg^{-1}$ in 2001 to $657mg\;kg^{-1}$ in 2017. Average concentration of Exch. Ca in 2017 was higher than the upper limit of its optimal range for upland cultivation. Excess and deficiency of chemical properties of upland soils comply with soil analysis and fertilizer prescription. CONCLUSION: We concluded that excessive nutrient in upland needed to be properly managed with soil test.

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참고문헌

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