Fertilizers and Their Equivalent Acidity

🧪 Fertilizers and Their Equivalent Acidity

S. No.	Fertilizer	Equivalent Acidity
1	Anhydrous Ammonia	148 (Highest)
2	Ammonium Chloride (NH₄Cl)	128
3	Ammonium Sulphate (NH₄)₂SO₄	110
4	Ammonium Sulphate Nitrate [(NH₄)₂SO₄·NH₄NO₃]	93
5	Urea	80 – 85
6	Diammonium Phosphate (DAP)	77
7	Ammonium Nitrate (NH₄NO₃)	60
8	Mono-ammonium Phosphate (MAP)	55 (Lowest)