Section 06 Products of the chemical or allied 31 Fertilisers 31 05 Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg Commodity Code Description 31 05 10 - - - Ammonium-based fertilizers 31 05 20 - Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassium 31 05 30 - Diammonium hydrogenorthophosphate (diammonium phosphate) 31 05 40 - Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogen- orthophosphate (diammonium phosphate) 31 05 51 - - Containing nitrates and phosphates 31 05 59 - - Other 31 05 60 - Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium 31 05 90 - Other