Abstract
An artificial soil was produced by open air composting of a mixture of sewage sludge, wood shavings, green compost, and a sandy loam soil, and used to investigate the effect of plant growth (wheat) and organic matter application on turnover of organic C und N. A greenhouse experiment was carried out with and without plants (wheat) to test the turnover of N in artificial soil and a mixture of artificial soil with sand in the ratio of 1:1. The results showed that the cultivation of wheat increased the net N mineralization by about 68% to 71% in comparison to treatments without plants. A laboratory experiment was carried out to investigate the effect of incubation of straw or animal manure with artificial soil at 35 °C on C mineralization and net N mineralization. The addition of straw and animal manure caused an increase in mineralization of C. The net N mineralization was higher after addition of animal manure and without substrate application (control) than after addition of straw.
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Literaturverzeichnis
Kuzyakov, Y., 2002: Review: Factors affecting rhizosphere priming effects. Journal of Plant Nutrition and Soil Science 165, 382–396
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© 2003 Springer Fachmedien Wiesbaden
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Usman, A.R.A., Kuzyakov, Y., Stahr, K. (2003). Einfluss des Pflanzenwachstums und der organischen Substanz auf C- und N- Umsatz im Boden. In: Merbach, W., Hütsch, B.W., Wittenmayer, L., Augustin, J. (eds) Prozessregulation in der Rhizosphäre. Vieweg+Teubner Verlag, Wiesbaden. https://doi.org/10.1007/978-3-663-07809-8_17
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DOI: https://doi.org/10.1007/978-3-663-07809-8_17
Publisher Name: Vieweg+Teubner Verlag, Wiesbaden
Print ISBN: 978-3-519-00447-9
Online ISBN: 978-3-663-07809-8
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