• Reduction of Soil Loss from Sloped Agricultural Field by using Hydrated Lime
  • Koh, Il-Ha;Yu, Chan;Park, Mi Jeong;Ji, Won Hyun;
  • National Environment Lab. (NeLab);Department of Agricultural Engineering, Gyeongsang National University;Institute of Mine Reclamation Technology, Mine Reclamation Corporation;Institute of Mine Reclamation Technology, Mine Reclamation Corporation;
  • 소석회를 이용한 급경사 농경지 토양유실 저감
  • 고일하;유찬;박미정;지원현;
  • 환경기술정책연구원;경상대학교 지역환경기반공학과;한국광해관리공단 기술연구센터;한국광해관리공단 기술연구센터;
Abstract
The feasibility of using hydrated lime ($Ca(OH)_2$) was assessed in reducing soil loss in sloped land under field condition. During 6-month monitoring from May to October, amendment of hydrated lime (3%, w/w) to a test plot decreased soil loss by 76% as compared to the unamended plot. However, the growth of natural vegetation was hampered by hydrated lime addition due to pH increase. Hydrated lime can be used as an effective agent to prevent soil loss in sloped land, but additional treatments are needed to preserve vegetation growth, especially in crop fields.

Keywords: Soil loss;Sloped agricultural field;Hydrated lime;Natural vegetation;Soil acidity;

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