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Performance of photo sensitive rice cv. RNR 15048 (Telangana Sona) under varied nitrogen levels and environmental conditions

Field experiment on “Performance of photo sensitive Rice cv. RNR 15048 (Telangana Sona) under varied nitrogen levels and environmental conditions” was carried out during Kharif 2016 at Agricultural Research Institute, Rajendranagar, Hyderabad. The experiment was laid out in split plot design with five dates of sowing [5 Jun (D1), 20 Jun (D2), 5Jul (D3), 20Jul (D4) and 5 Aug (D5)] as main plots and two nitrogen levels (N1: 120 kg N ha-1 ; N2: 160 kg N ha-1 ) as sub-plots replicated thrice. Flowering duration of rice was influenced by dates of sowing. With delay in sowing dates the days to attain flowering decreased with decrease in day length from 12.5 to 12.1 hrs. Crop sown on 5 Jun (D1) took more number of days to attain panicle initiation, heading and physiological maturity than other sowing dates. | Performance of photo sensitive rice cv. RNR 15048 Telangana Sona under varied nitrogen levels and environmental conditions