Journal of Korean Society of Rural Planning (농촌계획)

Korean Society of Rural Planning (한국농촌계획학회)
권호 표지

Water and Nutrient Balance of Paddy Field Irrigated from a Pumping Station during Cropping Period

양수장 지구 광역논으로부터 영농기간 영양물질의 유출 및 물질수지

  • Yoon, Kwang-Sik (College of Agriculture (Institute of Agri. Science & Tech.), Chonnam National University) ;
  • Han, Kuk-Heon (College of Agriculture (Institute of Agri. Science & Tech.), Chonnam National University) ;
  • Cho, Jae-Young (College of Agriculture (Institute of Agri. Science & Tech.), Chonnam National University) ;
  • Choi, Chang-Hyun (College of Agriculture, Chonbuk National University) ;
  • Son, Jae-Gwon (College of Agriculture (Agri. Science & Tech. institute), Chonbuk National University) ;
  • Choi, Jin-Kyu (College of Agriculture (Agri. Science & Tech. institute), Chonbuk National University)
  • 윤광식 (전남대학교 생물산업공학과 (농업과학기술연구소)) ;
  • 한국헌 (전남대학교 생물산업공학과 (농업과학기술연구소)) ;
  • 조재영 (전남대학교 생물산업공학과 (농업과학기술연구소)) ;
  • 최창현 (전북대학교 농화학과) ;
  • 손재권 (전북대학교 농공학과 (농업과학기술연구소)) ;
  • 최진규 (전북대학교 농공학과 (농업과학기술연구소))
  • Published : 2002.03.25
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Abstract

The study was carried out to investigate the water balance and losses of nutrients from paddy fields during cropping period. The size of paddy fields was 95 ha and the fields were irrigated from a pumping station. The runoff loading was the highest in June because of the high concentrations of nutrients due to applied fertilizer, When the runoff Bosses of nutrients were compared to applied chemical fertilizer, it was found that 39.1 % to 42.5 % of nitrogen lost via runoff while runoff losses of phosphorus account for 14.5 % to 17 % of the total applied amount during cropping period. When the ratio was calculated between nutrients losses by infiltration and the applied of chemical fertilizer, two year results showed 9.1% to 10.8% for nitrogen and 0.5% for phosphorus, respectively.

Keywords

References

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