GSFC's Di Ammonium Phosphate [(NH 4 ), HPO. (18 % N, 46% P 2 O 5 )] Plant has a capacity of 1, 08,000 TPA. Main raw material for DAP are Sulphur & Rock Phosphate. The main feedstock is Naphtha &Associated Gas. GSFC has also a coastal DAP Plant at Sikka in Jamnagar district with a rated capacity of 3, 26,000 TPA. The main raw materials are imported Ammonia and Phosphoric Acid. At Sikka, the capacity had been expanded by 3.96 LT in the recent past. Used as complex fertilizer for supply of 'N' and 'P 2 O 5 ' nutrients. Mainly used in basal application of fertilizers due to slow releasing nature of DAP.