Nutrients shall be indicated both in words and by the appropriate chemical symbols, e.g. nitrogen (N), phosphorus (P), phosphorus pentoxide (P2 O5 ), potassium (K), potassium oxide (K2 O), calcium (Ca), calcium oxide (CaO), magnesium (Mg), magnesium oxide (MgO), sodium (Na), sodium oxide (Na2 O), sulphur (S), sulphur trioxide (SO3 ), boron (B), copper (Cu), cobalt (Co), iron (Fe), manganese (Mn), molybdenum (Mo), zinc (Zn);
De vermelding van de nutriënten moet zowel de voluit geschreven benaming als de benaming in chemische symbolen omvatten, zoals stikstof (N), fosfor (P), fosforpentoxide (P2 O5 ), kalium (K), kaliumoxide (K2 O), calcium (Ca), calciumoxide (CaO), magnesium (Mg), magnesiumoxide (MgO), natrium (Na), natriumoxide (Na2 O), zwavel (S), zwaveltrioxide (SO3 ), boor (B), koper (Cu), kobalt (Co), ijzer (Fe), mangaan (Mn), molybdeen (Mo) en zink (Zn);