Energy or Nutrient Regulation of Decomposition - Implications for the Mineralization Immobilization Response to Perturbations

E. Bosatta, F. Berendse

Research output: Contribution to journalArticleAcademicpeer-review

67 Citations (Scopus)

Abstract

A model developed previously to describe the turnover of forest soil nitrogen is modified here to explain the effects of carbon and nitrogen additions on their dynamics. The model, which is structurally very simple, seems to explain correctly, among other phenomena, the negative correlation between N mineralization and CO2 evolution observed in many experimental situations. An important variable used to explain this behaviour is the deficiency factor, which is related to the critical C-to-nutrient ratio and which gives a measure of the C or nutrient deficiency in the substrate with respect to the needs of the decomposers. Ways are discussed in which the model output can be used to explain the observed retention in the soil of fertilizer N added to mature forest soils.
Original languageEnglish
Pages (from-to)63-67
JournalSoil Biology and Biochemistry
Volume16
Issue number1
DOIs
Publication statusPublished - 1984
Externally publishedYes

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