Nitrogenous Substances

Parsons, J. W.; Tinsley, J.

doi:10.1007/978-3-642-65915-7_3

Cited by 45 publications

(12 citation statements)

References 132 publications

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“…The C/N ratios in all four soils are large compared to other soils (Parsons & Tinsley, 1975). In particular, the C/N-values >30 found in the Bh and Bh,s horizons of Cryptopodzolic Soil 1 and the Bs/C horizon of the Haplic Podzol (Figure 5), indicate net N immobilization (Stevenson, 1986).…”

Section: Translocation and Characteristics Of Sommentioning

confidence: 96%

Cryptopodzolic Soils in Switzerland

Blaser

Kernebeek

Tebbens

et al. 1997

European J Soil Science

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Cryptopodzolic Soils are characterized by a thick blackish-brown mineral horizon rich in organic matter, the dark colour of which masks the morphological characteristics of podzolization. Little is known about the specific site factors that lead to the formation of these soils. Four representative soil profiles from a typical toposequence between 1700 and 500 m above sea level in southern Switzerland, embracing Haplic Podzols, Humic Cambisols and Cryptopodzolic Soils, are described morphologically, chemically and physically. The Cryptopodzolic Soils in this region are characterized by weak to moderate A1 and Fe translocation, and by a uniform incorporation of organic matter deep into the soil. The most prominent feature is the exceptional stability of the soil organic matter with a maximum in the spodic horizon. All these characteristics can be explained by the unique combined effect of a mild, wet climate, an Fe-and Al-rich acid bedrock and a litter layer providing dissolved organic matter rich in polyphenolic substances with strong metal-binding properties.

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Section: Translocation and Characteristics Of Sommentioning

confidence: 96%

Cryptopodzolic Soils in Switzerland

Blaser

Kernebeek

Tebbens

et al. 1997

European J Soil Science

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“…6, 7, 8, and 10 ranged from 1.6% to 16.1% (Table 3). Since 1-methylhistidine and 3-methylhistidine are products of decomposition of lower plants as mosses, lichens and algae (Parsons and Tinsley, 1975), a high amount of these compounds indicates a high content of biomass of these plants in the soils.…”

Section: Z Sokoyowska Et Al / Geoderma 127 (2005) 80-90mentioning

confidence: 99%

Impact of the degree of secondary transformation on acid–base properties of organic compounds in mucks

2005

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“…Differences in SOC:TN ratio may be indicative of the composition of the organic material being added to the soil or of the decomposition process. As organic matter is decomposed, SOC is mineralized to carbon dioxide while much of the nitrogen is recycled in the soil, resulting in a lower SOC:TN ratio relative to the initial organic substrate (Gilmour, 1961;Jenkinson, 1988;Parsons and Tinsley, 1975). Therefore, a larger SOC:TN ratio indicates a retardation of the decay process while a lower SOC:TN ratio is considered indicative of more advanced stages of organic matter decomposition (e.g.…”

Section: Introductionmentioning

confidence: 98%