
Keywords: CS; clay soil; CLS; clay loam soil; NI; nitrification inhibitor; UI; urease inhibitor; AN; ammonium nitrate; ANi; ammonium nitrate +Â 3.4-dimethylpyrazol succinate (EuroChem Agro, DMPSA); ASN; ammonium sulphate nitrate; ASNi; ammonium sulphate nitrate +Â