3102 Mineral or chemical nitrogenous fertilisers (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg)

3102 (01/1988-..) Mineral or chemical nitrogenous fertilisers (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31021010 (01/1988-..) Urea, whether or not in aqueous solution, containing > 45% nitrogen in relation to the weight of the dry product (excl. that in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31021090 (01/1993-..) Urea, whether or not in aqueous solution, containing <= 45% by weight of nitrogen on the dry anhydrous product (excl. goods of this chapter in tablets or similar forms or in packages of a gross weight of <= 10 kg) 31021091 (01/1988-12/1992) Urea in aqueous solution, containing > 45 % nitrogen in relation to the weight of the dry product (excl. that in packages with a gross weight of =< 10 kg) 31021099 (01/1988-12/1992) Urea, other than in aqueous solution, containing > 45 % nitrogen in relation to the weight of the dry product (excl. that in pellet or similar forms, or in packages with a gross weight of =< 10 kg) 31022100 (01/1988-..) Ammonium sulphate (excl. that in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31022900 (01/1993-..) Double salts and mixtures of ammonium sulphate and ammonium nitrate (excl. goods of this chapter in tablets or similar forms or in packages of a gross weight of <= 10 kg) 31022910 (01/1988-12/1992) Ammonium sulphate-nitrate (excl. that in pellet or similar forms, or in packages with a gross weight of =< 10 kg) 31022990 (01/1988-12/1992) Double salts and mixtures of ammonium sulphate and ammonium nitrate (excl. ammonium sulphate-nitrate, in pellet or similar forms, or in packages with a gross weight of =< 10 kg) 31023010 (01/1988-..) Ammonium nitrate in aqueous solution (excl. that in packages with a gross weight of <= 10 kg) 31023090 (01/1988-..) Ammonium nitrate (excl. that in aqueous solution, in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31024010 (01/1988-..) Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances, for use as fertilisers, containing <= 28% nitrogen by weight (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31024090 (01/1988-..) Mixtures of ammonium nitrate with calcium carbonate or other inorganic non-fertilising substances, for use as fertilisers, containing > 28% nitrogen by weight (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31025000 (01/2014-..) Sodium nitrate (excl. that in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31025010 (01/1988-12/2013) Natural sodium nitrate (excl. that in pellet or similar forms, or in packages with a gross weight of <= 10 kg) 31025090 (01/1988-12/2013) Sodium nitrate (excl. natural sodium nitrate and sodium nitrate in pellet or similar forms, or in packages with a gross weight of <= 10 kg) 31026000 (01/1988-..) Double salts and mixtures of calcium nitrate and ammonium nitrate (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31027000 (01/1998-12/2006) Calcium cyanamide (excl. that in pellet or similar forms, or in packages with a gross weight of <= 10 kg) 31027010 (01/1996-12/1997) Calcium cyanamide for the manufacture of pharmaceutical products (excl. in tablets or similar forms or in packages of a gross net weight <= 10 kg) 31027090 (01/1996-12/1997) Calcium cyanamide (excl. for the manufacture of pharmaceutical products, in tablets or similar forms or in packages of a gross net weight <= 10 kg) 31028000 (01/1988-..) Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution (excl. those in packages with a gross weight of <= 10 kg) 31029000 (01/2007-..) Mineral or chemical nitrogen fertilisers (excl. urea, ammonium sulphate, ammonium nitrate, sodium nitrate, double salts and mixtures of ammonium nitrate with ammonium sulphate or calcium, mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution, mixtures of ammonium nitrate and calcium carbonate or other non-fertilising inorganic elements, in tablets or similar in packages <= 10 kg)