Recycling of Hydroponic Waste Solution for Red Pepper (Capsicum annum L.) Growth

고추재배를 위한 시설하우스 폐양액의 재활용

  • Park, Chang-Jin (National Institute of Agricultural Science and Technology, RDA) ;
  • Kim, Kyung-Hee (Gangwon Agricultural Research and Extension Services) ;
  • Yoo, Kyung-Yoal (Division of Biological Environment, Kangwon National University) ;
  • Ok, Yong-Sik (Division of Biological Environment, Kangwon National University) ;
  • Yang, Jae-E. (Division of Biological Environment, Kangwon National University)
  • Published : 2005.03.31


Waste of the hydroponic solution from the plastic film house cultivation was recycled to grow the red pepper(Capsicum annum L.) in upland fields as supplement for plant nutrients and irrigation sources. Application of hydroponic waste solution increased the pH and EC of the soils, coupled with the increases in the concentrations of exchangeable cations(Ca, Mg, and K), total nitrogen, $NH_4-N,\;and\;NO_3-N$. Growth and yield of red pepper were highest when the treatment of chemical fertilizer(70%) was combined with hydroponic waste solution(30%). Amounts of the daily producing hydroponic waste solution were 2,880 L $ha^{-1}\;day^{-1}$ from the experimental facilities and this could irrigate $409.86m^2$ of area to compensate for the amount of water loss by evapotranspiration(3%). The overall results demonstrated that hydroponic waste solution could be recycled as plant nutrients and irrigation water resources for enhancing soil fertility and environmental quality.


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