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The Water Quality and Purification Load Assessment of Drain Water of Facility Horticulture Areas

시설원예 배출 배액의 수질환경 평가 및 정화 부하량 산정

  • Son, Jinkwan (National Academy of Agricultural Science, RDA) ;
  • Choi, Dekkyu (National Academy of Agricultural Science, RDA) ;
  • Kong, Minjae (National Academy of Agricultural Science, RDA) ;
  • Yun, Sungwook (National Academy of Agricultural Science, RDA) ;
  • Park, Minjung (National Academy of Agricultural Science, RDA) ;
  • Kang, Donghyeon (National Academy of Agricultural Science, RDA)
  • 손진관 (농촌진흥청 국립농업과학원) ;
  • 최덕규 (농촌진흥청 국립농업과학원) ;
  • 공민재 (농촌진흥청 국립농업과학원) ;
  • 윤성욱 (농촌진흥청 국립농업과학원) ;
  • 박민정 (농촌진흥청 국립농업과학원) ;
  • 강동현 (농촌진흥청 국립농업과학원)
  • Received : 2019.11.20
  • Accepted : 2019.12.05
  • Published : 2019.12.31

Abstract

Korea's protected horticulture is rapidly increasing in scale due to various advantages such as year-round harvesting, labor savings through automation and shortened culture period, and greater income generation. This study was conducted to investigate the impact of protected horticulture on water quality. The results of this study are expected to provide basic data contributing to improvements towards sustainable agriculture and eco-friendly design of protected horticulture complex. The average T-N and T-P loads from vinyl greenhouses were 286.55± 143.98 mg/L and 59.14±13.77 mg/L, respectively and those from glass greenhouses 380.68 ± 150.41 mg/L and 61.85±20.72 mg/L. The annual discharge of wastewater derived from the monthly discharge from the horticulture greenhouses were estimated at 2597 ton/ha, with the annual phosphorus load amounting to 155.3 kg/ha. The average T-N and T-P loads in the tested greenhouse effluents were in excess of 8.3- and 13.5-fold the standards for the Korean wastewater plant effluent. The waste nutrient solution discharged from a protected horticulture complex can cause water contamination. Therefore, there is a need to conduct follow-up research using a water purification system or a trench method to develop a eco-friendly protected horticulture complex for sustainable agriculture.

Acknowledgement

Supported by : 국립농업과학원

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