COTTON Physiological interventions Spray 0.5% urea and 1% KCI on the 45th and 65th day of sowing if sufficient moisture is available. Spray PPFM (Pink Pigmented Facultative Methylotroph) @ 200 ml/ac mixed in 200 litres of water on 30, 45, 60, and 90 days after sowing. Spray cotton plus @ 2.5 kg /ac mixed in 200 litres of water twice during flowering and boll formation stage. Updated on Apr 2023