The deficiency of P causes complete cessation of elongation, at a height of about two feet resetting of leaves with older leaves becoming increasingly irregularly necrotic, leaf production is reduced, and marginal chlorosis and premature death are caused. P deficiency causes a blue or dark green coloration of leaves.

40-60 g SSP / plant.  Entire quantity of phosphorus fertilizer should be applied at the time of last ploughing or applied at the time of filling the pits.