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Short communication

Chemical characteristics of agricultural groundwater with different land use type, period, and season in Gangwon province from 2021 to 2023
Bo-Min Kim1*
,
Dong-Min Kim1
,
Seong-Yu Hong1
,
Soo-Young Hong1
,
Ki-Sun Kim2
,
Young-Ho Seo2
1Researcher, Gangwon State Agricultural Research & Extension Services, Chuncheon 24203, Korea
2Senior Researcher, Gangwon State Agricultural Research & Extension Services, Chuncheon 24203, Korea
*Corresponding Author
30 November 2024. pp. 426-432
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Abstract

From 2021 to 2023, the water quality of agricultural groundwater in Gangwon State was investigated. pH, EC, total nitrogen (T-N), total phosphorus (T-P), NO3-N, Cl, Na, Mg, K, and Ca were measured in April and July every year and analyzed by land use type, season, and year. pH, EC, and T-P showed little differences regardless of the type of land use and season. Total nitrogen was low in paddy fields compared with the other land use type and showed greater value in July than in April, and tended to increase from 2021 to 2023. The concentrations of Cl, Na, Mg, K, and Ca in groundwater were highest in the greenhouse fields and were slightly greater in July than in April, but there was no clear pattern by year. Groundwater pH exceeded the water quality standard by 10 - 20% in paddy fields, and NO3-N concentrations in groundwater exceeded by 20 - 40% in upland fields and by 10-20% in greenhouse fields. The results obtained in the study implying that agricultural groundwater in Gangwon State was generally suitable for agricultural purpose.

Ratio (%) of exceeded water quality standard of agricultural groundwater in Gangwon State, Korea.
Year pH (%) NO3-N (%) Cl (%)
Paddy Upland Green house Paddy Upland Green house Paddy Upland Green house
2021 10.0 0.0 0.0 0.0 20.0 10.0 0.0 0.0 0.0
2022 20.0 0.0 0.0 0.0 40.0 20.0 0.0 0.0 0.0
2023 10.0 0.0 0.0 0.0 30.0 15.0 0.0 0.0 0.0
Keywords
Agricultural groundwater
Gangwon
Groundwater quality
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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 : 57
  • No :4
  • Pages :426-432
  • Received Date : 2024-10-21
  • Revised Date : 2024-11-12
  • Accepted Date : 2024-11-13
  • DOI :https://doi.org/10.7745/KJSSF.2024.57.4.426
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