reference: ISO/TC 134
title: Fertilizers, soil conditioners and beneficial substances
scope: Standardization in the field of fertilizers, soil conditioners and beneficial substances, that is, materials whose addition is intended to ensure or improve the nourishment of cultivated plants and / or to improve the properties of soils, and the efficient use thereof. 
committeeLiaisons: ISO/TC 190/SC 3
committeeLiaisons: ISO/TC 34/SC 10
committeeLiaisons: ISO/TC 23/SC 18
committeeLiaisons: ISO/TC 47
committeeLiaisons: ISO/TC 190
committeeLiaisons: ISO/TC 24
committeeLiaisons: ISO/TC 69