PERFORMANCE OF RABI SORGHUM AS INFLUENCED BY PRECEDING LEGUMES, NITROGEN LEVELS AND IRRIGATION SCHEDULES
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Authors
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RVT. BALAZZII NAAIIK, J.S. MISHRA, A. MADHAVI, R. G. PRABHAKARA, R.SUBHASH REDDY AND V.RAJA RAJESWARI
Department of Agronomy, S.V. Agricultural College, Acharya NG Ranga Agricultural University, Tirupathi -517502
Abstract
A field experiment was conducted for two consecutive years during 2012 and 2013 at Indian Institute of Millet
Research, Rajendranagar, Hyderabad. The plants attained maximum height (225.6 cm and 217.2 cm), highest dry
matter production (8197 and 9151 kg ha-1), grains per panicle (1160 and 1247) and ear head weight (46.3 and
47.1 g) with in situ incorporation of dhaincha during 2012 and 2013 followed by irrigation at panicle initiation, boot leaf
stage, anthesis and milk stage at harvest, and a high dose of 90 kg ha-1 N significantly increased the growth and yield
components. The in situ incorporation of dhaincha was 2511 and 3024 kg ha-1 during both years. Irrigation at four
critical phases recorded 2528 kg ha-1during 2012 and 3047 kg ha-1 during 2013. Further, 2686 kg ha-1 and
3269 kg ha-1 during 2012 and 2013, respectively, by the application of N 90 kg ha-1.
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