This document provides an overview of relevant methods for the determination of specific parameters in solid soil improvers, including:
— dry matter content;
— nitrogen content;
— P2O5 (phosphorus pentoxide) and K2O (potassium oxide) content;
— chloride content;
— copper and zinc content;
— 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].