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Article Dans Une Revue European Journal of Agronomy Année : 1994

Measurement of nitrogen mineralization and immobilization fluxes in soil as a means of predicting net mineralization

Bruno Mary
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Sylvie Recous

Résumé

The usual methods proposed to predict net mineral N available to crops, i.e., chemical and biological methods and long-term incubations, are analysed. The failure in the extrapolation of laboratory data and models to predict true N fluxes in situ, mainly results from gross mineralization and immobilization. The processes determining gross fluxes are discussed. Many methodological and theoretical problems are posed by the measurements of true N fluxes under field conditions. First estimations of these fluxes in different crop systems show that the net mineralization rate results from high rate of gross mineralization and immobilization.
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Dates et versions

hal-02703939 , version 1 (22-03-2022)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Bruno Mary, Sylvie Recous. Measurement of nitrogen mineralization and immobilization fluxes in soil as a means of predicting net mineralization. European Journal of Agronomy, 1994, 3 (4), pp.291-300. ⟨10.1016/S1161-0301(14)80157-3⟩. ⟨hal-02703939⟩

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