Soil improvers and growing media - Extraction of water soluble nutrients and elements
This European Standard specifies a method for the routine extraction of water-soluble 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.NOTE The requirements of the standard may differ from the national legal requirements for the declaration of the products concerned.
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