2.3 Treatments T1: Control, Farmer practices T2: T1+ 2 foliar application of 1% K-leaf/application, at Kimri and Khalal stages T3: T1 + 2 foliar application of 2% K-leaf/application, at Kimri and Khalal stages T4: T1 + 2 foliar application of 4% K-leaf/application, at Kimri and Khalal stages T5: T1 + 3 foliar application of 1% K-leaf/application, at Kimri, Khalal and Rutab stages T6: T1+ 3 foliar application of 2% K-leaf/application, at Kimri, Khalal and Rutab stages T7: T1+ 3 foliar application of 4% K-leaf/application, at Kimri, Khalal and Rutab stages