Journal of Korean Society of Industrial and Systems Engineering (산업경영시스템학회지)

Society of Korea Industrial and System Engineering (한국산업경영시스템학회)
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A Study on the Plant Nutrients Impregnation Methods and Soil Covering Effects of Wood Chips

목재칩의 식물영양제 함침방법과 토양 피복효과에 관한 연구

  • Yu Jin Hong (Department of Management of Technology, Jeonbuk National University) ;
  • Dae Woo Choi (Department of Management of Technology, Jeonbuk National University) ;
  • Kwon Woong Choi (Department of Management of Technology, Jeonbuk National University) ;
  • Suejin Park (Department of Horticulture, Jeonbuk National University) ;
  • Seok Un Jo (Department of Housing Environmental Design, Jeonbuk National University) ;
  • Hee Jun Park (Department of Housing Environmental Design, Jeonbuk National University)
  • 홍유진 (전북대학교 융합기술경영학과) ;
  • 최대우 (전북대학교 융합기술경영학과) ;
  • 최권웅 (전북대학교 융합기술경영학과) ;
  • 박수진 (원예학과 전북대학교) ;
  • 조석운 (주거환경학과 전북대학교) ;
  • 박희준 (주거환경학과 전북대학교)
  • Received : 2023.07.28
  • Accepted : 2023.09.22
  • Published : 2023.10.31
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Abstract

In this study, in order to develop a method to efficiently inject essential nutrients necessary for plant growth into wood chips, which are simply used as soil covering materials in the agriculture, landscaping and horticultural industries, the atmospheric pressure dipping method and the vacuum pressure impregnating method are used to improve the plant nutrients injectability and impregnation amount were comparatively analyzed. Nutrient ingredients and 8 major heavy metal contents of wood chips injected with nutrients were analyzed, and soil covering effects were examined by covering wood chips injected with nutrients on soil. Comparing the dipping method and the vacuum pressure impregnation method, it took about 48 hours or more to inject 1,500 g or more of the nutrient aqueous solution into 1 kg of wood chips in the dipping method, but the vacuum pressure impregnation method could be impregnated in about 5 minutes. Components of the impregnated nutrients were detected in proportion to the diluted concentration. As a result of covering the wood chips developed in this study on soil, they showed weakly acidic pH, and the heat insulation and moisturizing effects during the winter season were evaluated to be superior to those of uncovered soil. In the future, wood chips impregnated with nutrients are expected to contribute to the more efficient use of waste wood resources and the long-term supply of nutrients essential for plant growth, reducing excessive use of chemical fertilizers and reducing costs.

Keywords

Acknowledgement

This study has been supported by MOTIE funding program "Advanced Graduate Education for Management of Convergence Technology."

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