Comparison of total nitrogen methods applied for histosols and soil horizons with high organic matter content.

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Author(s): PEREIRA, M. G.; ESPINDULA JÚNIOR, A.; VALLADARES, G. S.; ANJOS, L. H. C. DOS; BENITES, V. de M.; SCHULTZ, N.

Summary: This study was carried out to correlate total nitrogen analyzed by two different methods: Kjeldahl (wet oxidation) and Perkin-Elmer 2.400 Series II?CHN Mode (dry oxidation or combustion) in Histosols and soil surface horizons with high organic matter content, sampled in different regions of Brazil. A positive correlation (r = 0.95*) was verified between the methods, showing that Kjeldahl, because of its simplicity, can be used to routinely determine total nitrogen content in the evaluated soils.

Publication year: 2006

Types of publication: Journal article

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