When Applying Fertilizer Through Leafy Spray Method N.P.K. 19:19:19 should be used 30-40 days after sowing of the crop till pre-flowering stage at 0.5-1.0% proportion 2-3 times at the gap of 10-15 days.
As Per FCO Product Specification:
Total Nitrogen per cent by weight, minimum19.0
Nitrate nitrogen, per cent by weight, maximum4.0
Ammonical nitrogen per cent by weight, maximum4.5
Urea nitrogen,percent by weight,maximum10.5
Water soluble Phosphate (as P2O5) per cent by weight, minimum5.0
Water soluble potash (as K2O) per cent by weight, minimum26.0