Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Analysis of Wastewater Reuse Effect on Field-Scale Water Quality

하수처리수의 농업용수 재이용에 따른 포장단위 수질영향 분석

  • 성충현 (서울대학교 농업생명과학연구원) ;
  • 김성재 (경상대학교 농공학과 대학원) ;
  • 김성민 (경상대학교 지역환경기반공학과) ;
  • 김상민 (경상대학교 지역환경기반공학과(농업생명과학연구원))
  • Received : 2011.05.03
  • Accepted : 2011.07.18
  • Published : 2011.07.31
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Abstract

The purpose of this study was to analyze the water quality change when wastewater applied to study paddy fields. CREAMS-PADDY (Chemical, Runoff and Erosion from Agricultural Management System) model was used to estimate the field-scale water quality. Simulated results were compared with observed data monitored from Byeongjeom study paddy fields which is located near the Suwon sewage treatment plant in Gyeonggi-do. Significance analysis was performed for the three different irrigation water quality level and five fertilizer reduction scenarios using LSD (Least Significant Difference) and DMRT (Duncan's Multiple Range Test). Total nitrogen was found to be significant for both irrigation water quality level and fertilizer reduction while total phosphorus was not. Annual drainage load for total nitrogen was reduced by 66~92 % compared to irrigation load when treated wastewater irrigated to study paddy fields from 2002 to 2007. Total phosphorus was reduced by 70~86 %.

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References

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  1. Analysis of Water Quality and Soil Environment in Paddy Fields Partially Irrigated with Untreated Wastewater vol.56, pp.6, 2014, https://doi.org/10.5389/KSAE.2014.56.6.019
  2. Comparing Farming Methods in Pollutant runoff loads from Paddy Fields using the CREAMS-PADDY Model vol.31, pp.4, 2012, https://doi.org/10.5338/KJEA.2012.31.4.318