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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.4
- 수록면
- 100 - 105 (6page)
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초록· 키워드
오류제보하기
Various methods for assessing soil total nitrogen (TN) and inorganic N content have been developed to manage nutrient and to understand N cycle in soil. This paper address the technical procedures in arable soil samples to conduct soil sampling, sample preparation, and measuring total N and inorganic N. Among various methods for measuring soil total nitrogen contents, Kjeldahl distillation and Indophenol blue method have widely used due to reliability and economic advances. Also, two methods can analyze more samples at the same time compared with other nitrogen measuring methods. For evaluating inorganic N content, mainly in forms of nitrate-N (NO₃<SUP>-</SUP>-N) and ammonium-N (NH₄<SUP>+</SUP>-N), extraction with a single reagent such as 2M KCl has been employed, followed by Kjeldahl distillation or indophenol blue methods.
목차
ABSTRACT
Introduction
Conclusion
References
참고문헌 (20)
참고문헌 신청
Biggar, J.W. 1978. Spatial variability of nitrogen in soils. In D. R. Nielsen and J. G. MacDonald(ed.) Nitrogen in the Environment. 1:201-211. Acad. Press, New York.
Breimer, T. and J.H.G. Slangen. 1981. Pretreatment of soil samples before NO3-N analysis. Neth. J. Agric. Sci. 29:15-22.
Bremner, J.M. and D.R. Keeney. 1965. Steam distillation methods for determination of ammonium, nitrate and nitrite. Anal. Chim. Acta. 32:485-495.
Fageria, N.K. and V.C. Baligar. 2005. Enhancing nitrogen use efficiency in crop plants. Adv. Agron. 88:97-185.
Henry, H.A.L. and R.L. Jefferies. 2003. Plant amino acid uptake, soluble N turnover and microbial N capture in soils of a grazed arcticsalt marsh. J. Ecol. 91:627-636.
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