NF X31-160

Soil quality - Determination of phosphorus soluble in a 20 g.l -1 monohydric citric acid solution - Dyer method

Le présent document décrit une méthode de détermination du phosphore soluble dans une solution d'acide citrique à 20 g.l-1 d'un échantillon de terre préparé pour essai. Il ne s'applique qu'aux sols contenant moins de 20 g/kg de calcaire total.

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