CSN EN 17724 This document defines terms and definitions referred to in the plant biostimulant field and consists of six subclauses: 3.1 Claims 3.2 Terms relating to components 3.3 Terms relating to the application method 3.4 Terms relating to sampling 3.5 Terms relating to the physical form 3.6 Others terms relating to plant biostimulants Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.