Repartition des nutriments dans un sol brun acide developpe sur tuf (Beaujolais, France). Consequences pour l'evolution de la fertilite minerale a long terme

Abstract

2 μm) was able to maintain the temporary reserve of this element on the adsorbing complex and to meet the nutritional demands of the Douglas-fir stand. The stability of this ecosystem therefore depends mainly on the rate of calcium flux originating from minerals located in the coarse soil fractions, assuming thai the organic matter compartment is stable.