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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2010.5
- 수록면
- 13 - 27 (15page)
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초록· 키워드
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Increased crop production and improved soil fertility largely relies on the external supply of chemical fertilizers or organic manures. The consequences of continued use of chemical fertilizers and organic manures to enhanced soil fertility and crop productivity however, has caused unexpected environmental degradation, including leaching of nitrate into ground water, surface runoff of phosphorus and nitrogen, and eutrophication of aquatic ecosystems. Therefore, integrated nutrient management systems are needed to maintain sustainable agricultural productivity and also to reduce possible environmental degradation from fertilization. Microbial inoculants that flourish in the rhizosphere of plants, grow in, on or around plant tissues and stimulate plant growth are promising components of such management systems. These bacteria are collectively termed as plant growth-promoting rhizobacteria (PGPR). The search for PGPRs and the investigation on their mode of action as potential microbial inoculants for increasing the use efficiency or reduction of fertilizer use in sustainable agricultural crop production is increasing at rapid pace. Studies demonstrated that PGPR inoculants can improve nitrogen fixation, influence plant uptake of nutrients and rhizosphere activities, positively influence root growth and morphology, and thereby increase the use efficiency of applied chemical fertilizers and manures. These proofs-of-concept studies will serve as the bases for vigorous future research on exploitation of PGPR for integrated nutrient management in sustainable crop production.
목차
Abstract
Introduction
PGPR as Microbial inoculants in fertilizer use efficiency
Prospect of PGPR for fertilizer management
Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2014-521-000669422