Soil test based

Available K : 120-280 kg ha-1 apply K2O @ 30 kg ha-1 (50 MOP ha-1)

Available K< 120 kg ha-1 Apply 25 % more K2O

Available K>280 kgha-1  Apply 25 % less K2O

In two splits: 75% as basal ; 25% at PI.