Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients

This European Standard specifies an extraction method for the routine determination of calcium chloride/DTPA (CAT-method) extractable nutrients and elements (as listed in annex B) in soil improvers or growing media. The method is not applicable to liming materials and preformed materials such as mineral wool slabs and foam slabs. NOTEThe requirements of the standard may differ from the national legal requirements for the declaration of the products concerned.