Experiments conducted to find out the effect of foliar application of urea solution over the top dressing of urea revealed that the foliar application was an effective mea- sure of increasing the crop yield compared to top dressing. The foliar application could save at least 25 per cent of the nitrogen requirement. Application of 50 per cent of N as basal dose and another 25 per cent of N as foliar spray of 2.5 per cent urea solution at maximum tillering stage and 50 per cent N as basal + 25 per cent os foliar spray of 10 per cent urea solution at maximum tillering stage gave higher yield than the rest. A concentration of 5 to 7.5 per cent of urea solution can be adopted using a high volume sprayer without any bad effect. Spraying of water was found to have some favourable effect in increasing the yield.
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Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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