지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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In this study, we evaluated the nitrogen (N) mineralization potential and Nitrogen use efficiency (NUE) of oil-cake, compost, hairy vetch and barley, which are the most widely used organic amendments in South Korea. The N mineralization potential (No) for organic fertilizers treated soil was highest for the hairy vetch treatment with a value of 18.9 mg N 100 g<SUP>-1</SUP>, followed by oil-cake, barley and compost. The amount of pure N mineralization potentials in hairy vetch, oil-cake, barley and compost treatments were 8.42, 7.62, 3.82 and 3.60 mg N 100 g<SUP>-1</SUP>, respectively. The half-life (t1/2) of organic N in soil amended with oil-cake fertilizer mineralized quickly in 17 days. While, t<SUB>1/2</SUB> values of organic N for the compost and barley treatments accounted to 44.4 and 44.1 days, respectively. Oil-cake was good in supplying nutrients to plants. Compost and barley inhibited plant growth in the beginning growth stage and this is attributed to N immobilization effect. The results of this study highlight that compost and barley could be used as potential slow release fertilizers in conventional agriculture.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (18)
참고문헌 신청
Baldi, E. and M. Toselli. 2014. Mineralization dynamics of different commercial organic fertilizers from agro-industry organic waste recycling: an incubation experiment. Plant Soil Envir. 60(3):93-99.
Diacono, M. and F. Montemurro. 2010. Long term effects of organic amendments on soil fertility. A review. Agron. Sustain. Dev. 30:401-422.
Harris, R.F. and D.F. Bezdicek. 1997. Descriptive aspects of soil quality/health. pp. 23-35. In: J. W. Doran, D. C. Coleman, and B. A. Stewart (eds.). Defining soil quality for sustainable environmental. SSSa, Special publication No. 35. Madison, U.S.A.
Hernandez, T., R. Moral, A. Perez-Espinosa, J. Moreno-Caselles, M.D. Perez-Murcia, and C. Garcia. 2002. Nitrogen Mineralization Potential in Calcareous Soils Amended with Sewage Sludge. Bior. Tech. 83:213-219.
Hoffland, E., J.W. Greoenigen, and O. Oenema. 2010. Nutrient Management. Wageningen university, Wageningen, Netherlands.
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UCI(KEPA) : I410-ECN-0101-2017-523-002249957