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NPK 6:12:36 (100% water soluble) (i) Total Nitrogen per cent by weight,. minimum 6.0 (ii) Nitrate nitrogen per cent by weight, maximum. 4.5 (iii) Ammonical nitrogen per cent by weight minimum. 1.5 (iv) Water Soluble Phosphate(as P205)per cent by weight., minimum. 12.0 55 (v) Water soluble potash per cent by weight, minimum. 36.0 (vi) Sodium as NaCl per cent by weight, maximum 0.5 (vii) Matter insoluble in water per cent by weight, maximum. 0.5 9 NPK 20:20:20 (100% water soluble) (i) Total Nitrogen per cent by weight, minimum 20.0 (ii) Nitrate nitrogen percent by weight, maximum 4.9 (iii) Ammonical nitrogen percent by weight, minimum 3.0 (iv) Urea nitrogen percent by weight,maximum 12.1 (v) Water soluble Phosphate (as P2O5) per cent by weight, minimum. 20.0 (vi) Water soluble potash as K2O, per cent by weight,.minimum. 20.0 (vii) Sodium as NaCl per cent by weight on dry basis,maximum. 0.06 (viii) Matter insoluble in water per cent by weight,maximum. 0.5”. 10 Potassium Magnesium Sulphate (i) Moisture per cent by weight, maximum 0.5 (ii) Potash content (as K2O) per cent by weight, minimum 22.0 (iii) Magnesium as MgO, percent by weight ,minimum 18.0 (iv) total chloride (asCl),percent by weight (on dry basis),max 2.5 (v) Sodium (as NaCl) ,percent by weight(on dry basis),max. 2.0 (vi) Sulphur (as S) percentby weight,min 20.0