Calcium super phosphate (15.5% P2O5) was added in a rate of 0.05 g P2O5 kg-1 soil during the soil preparation. Nitrogen was applied in a rate of 0.1 g N kg-1 soil as urea (46% N) in
three equal doses after 21; 45 and 60 days from planting.
Potassium sulphate (50% K2O) in a rate of 0.1 g K2O kg-1
soil was added in two doses after 30 and 50 days from planting.
Foliar applications were applied after 30, 45 and 60 days from sowing.