3104 Mineral or chemical potassic fertilisers (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg)

3104 (01/1988-..) Mineral or chemical potassic fertilisers (excl. those in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31041000 (01/1988-12/2006) Carnallite, sylvite and other crude natural potassium salts (excl. those in pellet or similar forms, or in packages with a gross weight of <= 10 kg) 31042010 (01/1988-..) Potassium chloride containing <= 40% potassium monoxide 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) 31042050 (01/1988-..) Potassium chloride containing > 40% but <= 62% potassium monoxide 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) 31042090 (01/1988-..) Potassium chloride containing > 62% potassium monoxide 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) 31043000 (01/1988-..) Potassium sulphate (excl. that in tablets or similar forms, or in packages with a gross weight of <= 10 kg) 31049000 (01/1988-12/2006) Potassium magnesium sulphate and mixtures of potassic fertilisers, e.g. mixtures of potassium chloride and potassium sulphate (excl. those in pellet or similar forms, or in packages with a gross weight of <= 10 kg)