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dc.contributor.authorGonzález Prieto, Serafín Jesúses_ES
dc.contributor.authorVillar, M. C.es_ES
dc.contributor.authorCarballas, Modestoes_ES
dc.contributor.authorCarballas, T.es_ES
dc.identifier.citationPlant and Soil 162(1): 147–150 (1994)es_ES
dc.description.abstractThe potentially mineralizable organic N of 33 different soils was estimated by a chemical test (hot extraction with 2N KCl) and the values compared with those previously obtained by a biological method (aerobic incubation in the laboratory). On average, the organic N solubilized by the chemical procedure was significantly lower than that mineralized by a two weeks aerobic incubation for all the soils as a whole. The same was true for soils developed over acid rocks and over sediments. However, the values obtained for the soils developed over limestone and basic rocks were similar by both methods. The values obtained by both methods were not significantly correlated neither when considering all soils together nor when considering different groups according to soil management or parent material. Significant correlations between both methods were only found when the soils were separated into two groups according to their organic N content: soils with less than 400 mg N 100 g−1 soil and soils with more than 400 mg N 100 g−1 soil. The organic N solubilized by the chemical procedure was significantly correlated with the hexosamine-N content; however, it was not correlated with the factors that control the biological mineralization of the organic N, except with the soluble Al content. Therefore, the chemical extraction did not seem to address the biologically active N pool in a selective way.es_ES
dc.subjectBiological methodes_ES
dc.subjectChemical methodes_ES
dc.subjectMineralization potentiales_ES
dc.subjectSoil incubationes_ES
dc.subjectTemperate humid-zonees_ES
dc.titleComparison between a chemical and a biological method to determine the N mineralization potential of temperate-humid region soilses_ES
dc.description.peerreviewedPeer reviewedes_ES
oprm.item.hasRevisionno ko 0 false*
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