1 Scope
This document provides an overview of relevant methods for the determination of specific
parameters in solid soil improvers, including:
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— dry matter content;
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— nitrogen content;
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— P2O5 (phosphorus pentoxide) and K2O (potassium oxide) content;
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— chloride content;
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— copper and zinc content;
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— quantity.
This document is applicable to solid EU fertilizing products classified as PFC 3 and
PFC 7 as long as the main function of the EU fertilizing product is classified as
PFC 3 of Regulation (EU) 2019/1009 [1].