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Original Articles

A rapid dichromate procedure for routine estimation of total nitrogen in soils

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Pages 1409-1416 | Published online: 11 Nov 2008

References

  • Yeomans , J.C. and Bremner , J.M. 1988 . A rapid and precise method for routine determination of organic carbon in soil, Commun . Soil Sci. Plant Anal. , 19 : 1467 – 1476 .
  • Nelson , D.W. and Sommers , L.E. 1982 . “ Total carbon, organic carbon, and organic matter ” . In Methods of Soil Analysis, , 2nd ed. , Edited by: Page , A.L. 539 – 579 . Madison , WI : American Society of Agronomy . Part 2
  • Zantua , M.I. and Bremner , J.M. 1975 . Comparison of methods of assaying urease activity in soils . Soil Biol. Biochem. , 7 : 291 – 295 .
  • Bremner , J.M. and Breitenbeck , G.A. 1983 . A simple method for determination of ammonium in semimicro‐Kjeldahl analysis of soils and plant materials using a block digester. Commun. Soil Sci . Plant Anal. , 14 : 905 – 913 .
  • Bremner , J.M. and Mulvaney , C.S. 1982 . “ Nitrogen ‐ Total ” . In Methods of Soil Analysis, , 2nd ed. , Edited by: Page , A.L. 595 – 624 . Madison , WI : American Society of Agronomy . Part 2
  • Walkley , A. and Black , I.A. 1934 . An examination of the Degtjareff method for determining soil organic matter and a proposed modification of the chromic acid titration method . Soil Sci. , 37 : 29 – 38 .
  • Bremner , J.M. and Jenkinson , D.S. 1960 . Determination of organic carbon in soil. I. Oxidation by dichromate of organic matter in soil and plant materials . J. Soil Sci. , 11 : 394 – 402 .

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