Mineral or chemical fertilisers containing the two fertilising elements nitrogen and potassium, or one principal fertilising substance only, incl. mixtures of animal or vegetable fertilisers with chemical or mineral fertilisers, containing >10% nitrogen
Mineralna ali kemična gnojila, ki vsebujejo dva gnojilna elementa - dušik in fosfor,  z deležem dušika nad 10% mas. v suhem brezvodnem proizvodu