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Compost Production using Vegetable Waste and Spent Oak Mushroom Substrate (SMS)

채소 부산물과 표고 수확후 배지를 활용한 퇴비 제조방법

  • Kim, Eui-Yeong (Department of Biological Chemistry, Chungnam National University) ;
  • Kook, Seung-Woo (Department of Biological Chemistry, Chungnam National University) ;
  • Yuk, Hwa Jung (Department of Biological Chemistry, Chungnam National University) ;
  • Yoon, Min Ho (Department of Biological Chemistry, Chungnam National University) ;
  • Kim, Sung-Chul (Department of Biological Chemistry, Chungnam National University)
  • 김의영 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 국승우 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 육화정 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 윤민호 (충남대학교 농업생명과학대학 생물환경화학과) ;
  • 김성철 (충남대학교 농업생명과학대학 생물환경화학과)
  • Received : 2016.12.02
  • Accepted : 2016.12.20
  • Published : 2016.12.31

Abstract

Spent mushroom substrate (SMS) has generally been used for the manufacture of animal feed and production of bio fuel. Limited research has been conducted in the utilization of SMS as a co-material for composting. Therefore, the main purpose of this study was to evaluate the feasibility of composting vegetable waste mixed with various ratios of SMS (30, 40, and 50%). The results showed that the C/N ratio decreased when both sawdust (from 22.0~28.8 to 17.7~20.4) and SMS (from 18.5~19.5 to 12.7~16.8) were applied for composing, owing to increased contents of nitrogen. A maturity test conducted using mechanical (Solvita) and germination tests revealed that both sawdust (92.0~101.9%) and SMS (87.8~89.2%) satisfied a criteria of maturity standard (70%). A correlation analysis between compost maturity and its chemical properties revealed that the C/N ratio and pH were the most dominant parameters for compost maturity. Overall, SMS could be utilized as a compost material and especially, vegetable waste mixed with SMS could provide sufficient nutrients for crop growth.

Acknowledgement

Grant : Technology for establishing quality standards of food waste compost and evaluation in its application to agriculture

Supported by : Rural Development Administration

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