한국환경농학회지 (Korean Journal of Environmental Agriculture)

  • 제41권1호
  • /
  • Pages.24-31
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  • 2022
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  • 1225-3537(pISSN)
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  • 2233-4173(eISSN)
한국환경농학회 (The Korean Society of Environmental Agriculture)
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우사의 수분조절능력 향상을 위한 깔짚소재별 수분흡수속도 평가

Evaluation of Water Absorption Speed for Litter Materials to Improve the Water Control Ability of Livestock Litter

  • 노준석 (경상국립대학교 응용생명과학부) ;
  • 이재훈 (경상국립대학교 응용생명과학부) ;
  • 이수림 (경상국립대학교 응용생명과학부) ;
  • 박종환 (동아대학교 생명자원산업학과) ;
  • 서동철 (경상국립대학교 환경생명화학과 & 농업생명과학연구원)
  • Rho, Jun-Suk (Division of Applied Life Science, Gyeongsang National University) ;
  • Lee, Jae-Hoon (Division of Applied Life Science, Gyeongsang National University) ;
  • Lee, Su-Lim (Division of Applied Life Science, Gyeongsang National University) ;
  • Park, Jong-Hwan (Department of Life Resources Industry, Dong-A University) ;
  • Seo, Dong-Cheol (Department of Applied Life Chemistry &Institute of Agriculture and Life Science, Gyeongsang National University)
  • 투고 : 2022.02.20
  • 심사 : 2022.03.21
  • 발행 : 2022.03.31
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초록

BACKGROUND: The most common litter materials used in South Korea are sawdust, rice husk, etc. Recently, the cost of litter has been steadily rising, and the maturity test has been strengthened. For this reason, new litter materials are needed for better water control ability to solve the problems. The object of this study was to evaluate the water absorption properties for litter materials. METHODS AND RESULTS: The volumetric water capacity according to the addition of cow manure was investigated to calculate the water absorption speed of litter materials (sawdust, peatmoss, cocopeat, and biochar). The water absorption speed constant (-K) in the first stage was high in the order of cocopeat (0.1190), sawdust (0.0961), biochar (0.0762), and peatmoss (0.0523). The optimal period of the litter use was in the following order: peatmoss (48d), biochar (42d), sawdust (30d), and cocopeat (24d). The water absorption rate (%) of the used litters was high in the order of biochar ≈ cocopeat, sawdust, and peatmoss, which was significantly correlated with the water absorption speed of the first stage. CONCLUSION(S): Considering the water absorption speed and water absorption rate, biochar and peatmoss were found to be the best and optimal litter materials among the tested materials. These litter materials can be used as water control agents in livestock facilities.

키워드

과제정보

This work was supported by Korea Institute of Planning and Evaluation for Technology in Food, Agriculture and Forestry(IPET) through Livestock Industrialization Technology Development Program funded by Ministry of Agriculture, Food and Rural Affairs(MAFRA)(Project No. 121034-3)

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