Does the nitrate fraction account for differences between Dumas-N and Kjeldahl-N values in vegetable leaves?

Journal of Plant Nutrition

Volumn 21, Issue 12, 1998, Pages 2527-2534

  Simonne, Eric H ^a   Harris, Christine E ^a   Mills, Harry A ^b  

^a AUBURN UNIVERSITY   (United States)

^b UNIVERSITY OF GEORGIA   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0031730867     PISSN: 01904167     EISSN: None     Source Type: Journal    
DOI: 10.1080/01904169809365584     Document Type: Article

References (17)

1. Barker, A.V., D.N. Maynard, and H.A. Mills. 1974. Variation in nitrate accumulation among spinach cultivars. J. Am. Soc. Hort. Sci. 99(2):132-134.
2. du Preez, D.R. and G.C. Bates. 1989. A simple method for the quantitative recovery of nitrate-N during Kjeldahl analysis of dry soil and plant samples. Commun. Soil Sci. Plant Anal. 20(3&4):345-357.
3. Hansen, B. 1989. Determination of nitrogen as elementary N, an alternative to Kjeldahl. Acta Agric. Scand. 39:113-118.
4. Jones, Jr., J.B. 1991. Kjeldahl Method for Nitrogen (N) Determination. MicroMacro Publishing, Inc., Athens, GA.
5. Jones, Jr., J.B. and W.W. Case. 1990. Sampling, handling, and analyzing plant tissues samples. pp. 389-427. In: R.L. Westerman (ed.), Soil Testing and Plant Analysis. 3rd ed. Soil Science Society of America, Madison, WI.
6. Lorenz, O.A. 1978. Potential nitrate levels in edible plant parts, pp. 201-219. In: D.R. Nielsen and J.G. MacDonald (eds.), Nitrogen in the Environment. Vol. 2. Soil Plant Relationships. Academic Press, New York, NY.
7. McGeehan, S.L. and D.V. Naylor. 1988. Automated instrumental analysis of carbon and nitrogen in plant and soil samples. Commun. Soil Sci. Plant Anal. 19(4):493-505.
8. Mills, H.A. and J.B. Jones, Jr. 1996. Plant Analysis Handbook II. MicroMacro Publishing, Inc., Athens, GA.
9. Nelson, D.W. and L.E. Sommers. 1980. Total nitrogen analysis of soil and plant tissues. J. Assoc. Off. Anal. Chem. 63:770-778.
10. Oxenham, D.J., V.R. Catchpoole, and G.R. Dolby. 1983. A comparison of dry combustion and acid digestion for the determination of nitrogen in soil and plant material. Commun. Soil Sci. Plant Anal. 14(2):153-160.
11. 15N studies. Plant Physiol. 69:32-36.
12. SAS. 1987. SAS/STAT Guide for Personal Computers. Version 6. Statistical Analysis System Institute, Inc., Cary, NC.
13. Simonne, E.H. 1994. Spring 1994 Vegetable Variety Trial Report. Ala. Agric. Exp. Sta. Prog. Report 125, Auburn University, AL.
14. Simonne, E.H. 1995. Spring 1995 Vegetable Variety Trial Report. Ala. Agric. Exp. Sta. Prog. Report 127, Auburn University, AL.
15. Simonne, E.H., J.B. Jones, Jr., H.A. Mills, D.A. Smittle, and C.G. Hussey. 1993. Influence of catalyst, sample weight, and digestion conditions on Kjeldahl N. Commun. Soil Sci. Plant Anal. 24(13&14):1609-1616.
16. Simonne, E.H., J.N. McCrimmon, H.L. Scoggins-Mantero, H.A. Mills, and C.P. Cressman. 1995. Adjustment of sufficiency ranges of selected ornamentals and turfgrasses for assessing nitrogen status with Dumas-N data. Commun. Soil Sci. Plant Anal. 26(13&14):2243-2251.
17. Simonne, E.H., H.A. Mills, J.B. Jones, Jr., D.A. Smittle, and C.G. Hussey. 1994. A comparison of analytical methods for nitrogen analysis in plant tissues. Commun. Soil Sci. Plant Anal. 25(7&8):943-954.