Fertilizantes. Extracción de fósforo soluble conforme a Petermann a 65 ºC.
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
Engrais - Extraction du phosphore soluble selon Petermann à 65 °C
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65.080 / Fertilizers
CTN 142 - Fertilizers, liming materials and means of growing
CEN/TS 15921:2009 (Identical)
It is cancelled by: UNE-EN 15921:2011
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