Comparison of total nitrogen methods applied for histosols and soil horizons with high organic matter content
2006
Pereira, M.G. | Espindula, A. Jr | Valladares, G.S. | Anjos, L.H.C dos | Benites, V. de M. | Schultz, N.
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.
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