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논문 기본 정보

자료유형
학술저널
저자정보
이기완 (동신대학교) 김우중 (동신대학교)
저널정보
한국환경기술학회 한국환경기술학회지 한국환경기술학회지 제20권 제5호
발행연도
2019.1
수록면
338 - 345 (8page)

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It is known that organic sludge is generated in large quantities due to the need for proper treatment of waste, and that it is very difficult to treat and recycle. In this research, vermi-cast and liquid fertilizer, which are soil conditioners, were produced using organic waste as raw materials in order to utilize organic waste. Two kinds of the soil conditioners produced were treated with cucumber, tomato on vermi-cast and liquid fertilizer, and the growth experiment and soil microbe density survey were conducted. In the case of liquid fertilizer, a dilution concentration of 500 to 1000 times was appropriate for cucumber crops. Leaf length and leaf width improved by about 16 %. The growth of tomato crops was not much different. Plant growth promoting rhizobacteria showed a high density distribution about 500 to 1,000 times in the soil of the liquid fertilizer treatment area , and about twice as high in the area of dilution that. As a result of the density survey of pathogenic microorganisms, it was found that pathogenic E. coli and Salmonella do not affect the soil. Also, there was almost no difference in growth between untreated control port and treatment port in cucumber crops. During vermi-cast treatment, the density change of plant growth promoting rhizobacteria in the soil showed a high density distribution of about 2 to 5 times or more from 600 ∼ 1,000 kg/1000 ㎡ treated soils. Also, pathogenic E. coli and Salmonella were found not to affect the soil. The organic waste fertilizer treatment of vermi-cast and liquid fertilizer is judged to have sufficient value as an advanced fertilizer by increasing the density of microorganisms in the soil more than twice.

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