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논문 기본 정보

자료유형
학술저널
저자정보
Yan Chen (Dalian University of Technology) Xiaoyu Li (Dalian University of Technology) Shuying Li (Dalian SEM Bio-Engineering Technology) Yongping Xu (Dalian University of Technology)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제26권 제2호
발행연도
2021.4
수록면
22 - 33 (12page)

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초록· 키워드

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The traditional method of producing bio-organic fertilizer contains two consecutive composting stages which, however, is time-consuming and requires high input of energy and cost. This study attempted to combine two consecutive stages into one single step. Paenibacillus polymyxa, as an antagonistic strain to control anthracnose in Chinese Pakchoi, was used as inoculum to obtain bio-organic fertilizers through two approaches: two consecutive stages (TCS) composting as control and the proposed one step through (OST) composting. The resulting two bio-organic fertilizers produced by TCS and OST were tested for the disease incidence and disease resistant index, and the fertility on growth of Chinese Pakchoi. The results of relative abundance of P. polymyxa showed no significant difference between two kinds of bio-organic fertilizers in phylum, family and genus. The disease incidence of bio-organic fertilizers produced by OST and TCS reduced by 61.40% and 68.42%, respectively, as compared to the control group, where the difference was not significant. The growth promoting effect was remarkable, although the difference in the fertility on the growth was not significant. Compared with the traditional TCS method, the novel OST method could improve efficiency of bio-organic fertilizer production by 42.86% per year according to this study.

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ABSTRACT
1. Introduction
2. Material and Methods
3. Conclusions
4. Conclusions
References

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