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Effect of starch and inorganic nitrogen on microbial transformations of organic compounds in soil

Folia Microbiologica volume 25, pages 140–143 (1980)Cite this article

Abstract

It was found in long-term incubation experiments (100 weeks) that in soil non amended with organic compounds, mineralization proceeded in a steady state after an initial reactive respiration and corresponded approximately to the rate of mineralization of soil organic matter under natural conditions. The addition of nitrogen influenced this mineralization process only very slightly. The addition of starch decreased the stability of organic compounds in the soil at first but the newly formed organic substances were gradually stabilized again. The addition of nitrogen to starch increased the extent and the rate of these alterations. The overall extent of mineralization of the substrate after the addition of starch alone exceeds the amount of the added substrate; a small accumulation of the substrate could be observed after the addition of starch together with nitrogen.

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Authors and Affiliations

  1. Plant Production Research Institute, Prague-Ruzyně

    B. Novák

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  1. B. Novák
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Novák, B. Effect of starch and inorganic nitrogen on microbial transformations of organic compounds in soil. Folia Microbiol 25, 140–143 (1980). https://doi.org/10.1007/BF02933013

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  • DOI: https://doi.org/10.1007/BF02933013

Keywords

  • Starch
  • Soil Organic Matter
  • Organic Substance
  • Inorganic Nitrogen
  • Respiratory Activity