| http://www.w3.org/ns/prov#value | - 3102.50.0000 - - Sodium nitrate t 3102.60.0000 - - Double salts and mixtures of calcium nitrate and ammonium nitrate t 3102.80.0000 - - Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution t 3102.90.0100 - - Other, including mixtures not specified in the foregoing subheadings t 31.03 - Mineral or chemical fertilizers, phosphatic: 3103.10 - - Superphosphates: 3103.10.0010 - - - N
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