Phosphatic fertilizers –Manufacturing process and …
1. Single super phosphate (16-18% P 2O 5) 2. Double super phosphate (32 % P 2O 5) 3. Triple super phosphate (46-48% P 2O 5) 4. Higher content or concentrated super phosphate 5. Ammonium phosphate ( 20% N and 20% P 2O 5) These fertilizers are suitable for neutral to alkaline soils and should be applied at the time of sowing.
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