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2025 Vol.58, Issue 4 Preview Page

Original research article

Effect of organic and inorganic soil amendments on soil properties and crop growth in reclaimed land
Jeong Min Lee1
,
Young Kyu Hong2
,
Jin Wook Kim3
,
Ho Jin Jung4
,
Sung Chul Kim5*
,
Yong Bok Lee6*
1Graduated Student, Department of Bio-Environmental Chemistry, Chungnam National University, Daejeon 34134, Korea
2Ph.D. Fellow, Institute of Agricultural Science, Chungnam National University, Daejeon 34134, Korea
3Ph.D. Student, Department of Bio-Environmental Chemistry, Chungnam National University, Daejeon 34134, Korea
4Graduated Student, Department of Bio-Environmental Chemistry, Chungnam National University, Daejeon 34134, Korea
5Professor, Department of Bio-Environmental Chemistry, Chungnam National University, Daejeon 34134, Korea
6Professor, Institute of Agriculture and Life Science (IALS), Gyeongsang National University, Jinju 52828, Korea
*Corresponding Author
30 November 2025. pp. 521-535
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Abstract

As arable land continues to decline in South Korea due to rapid industrialization and urban expansion, reclaimed soils are being considered as a viable alternative for agriculture. However, these soils are often hindered by issues such as excessive salinity and poor physical structure. This study examined the impact of several organic (cocopeat, black peat, soft rice husk) and inorganic (biochar, zeolite, hydrogel) soil amendments—used both individually and in combination—on improving soil properties and supporting crop growth. Results showed that mixed applications consistently outperformed single-material treatments, particularly in enhancing soil quality and promoting plant development. Among the variables tested, Sodium Adsorption Ratio (SAR) and Exchangeable Sodium Percentage (ESP) were found to be strongly associated with crop performance. These findings suggest that integrated amendment strategies may offer an effective approach to rehabilitating saline reclaimed soils, though further field-based studies are needed to confirm their practical benefits.

The research and result schematic that applied multiple amendment for the maturation of the reclaimed soil.
Keywords
Exchangeable Sodium Percentage
Reclaimed land
Sodium adsorption
Soil amendment
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Information
  • Publisher :Korean Society of Soil Science and Fertilizer
  • Publisher(Ko) :한국토양비료학회
  • Journal Title :Korean Journal of Soil Science and Fertilizer
  • Journal Title(Ko) :한국토양비료학회 학회지
  • Volume : 58
  • No :4
  • Pages :521-535
  • Received Date : 2025-09-23
  • Revised Date : 2025-10-31
  • Accepted Date : 2025-11-03
  • DOI :https://doi.org/10.7745/KJSSF.2025.58.4.521
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