A Study on Organic Resources for Pig Manure Treatment by Vermicomposting

지렁이에 의한 돈분 퇴비화용 유기성자원 연구

  • Lee, J.S. (Division of Biological Science & Technology, Yonsei University) ;
  • Choi, D.C. (International Sustainable Organic Agriculture Center (ISOAC), Sangji University)
  • 이주삼 (연세대학교 생명과학기술학부) ;
  • 최덕천 (상지대학교 국제친환경유기농센터)
  • Published : 2009.12.30

Abstract

The effects of the processing mixture of pig manure and various organic wastes on the growth, cast production of earthworm, and conversion of organic matter to earthworm tissues by vermicomposting. The substances used in this experiments were sawdust, rice hull, coffee waste, brewery waste, litters, turfgrass cutting residues, rice bran, vegetable wastes and rice straw and were mixed with pig manure at a ratios of 50:50 (v/v), and pig manure 100% (control), respectively. The highest values of growth parameters, cast production and conversion efficiency of organic matter to earthworm tissues were obtained at the mixtures of pig manure with coffee waste, it may due to the favourable diet conditions to process with pig manure by vermicomposting. But, all of the earthworm died in the pig manure 100% (control) and pig manure with vegetable wastes treatments by vermicomposting was impossible in this experiment. The vermicast contained a higher values of total nitrogen, available phosphorus, exchangeable cations and cation exchange capacity than their parent materials with increased availability of nutrients and improved physicochemical properties.

Keywords

References

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