RESPONSES OF FODDER OAT (AVENA SATIVA L.) VARIETIES TO IRRIGATION AND FERTILIZER GRADIENT IN BUNDELKHAND REGION (U.P.) INDIA
NEEL RATAN, MILAN YADAV AND U. N. SINGH*
Department of Botany,
D.V. (P.G.) College, Orai-285001 (U.P.) India
Department of Botany,
Mahatma Gandhi Chitrakoot Gramodaya Vishwavidyalaya,
Satna-485 780 (M. P.) India
*(e-mail : drunsingh@rediffmail.com)
(Received : 5 August 2018; Accepted : 24 September 2018)

SUMMARY

An experiment was conducted during 2014-16 at Orai (Jalaun), Uttar Pradesh to study the performance of fodder oat (Avena sativa L.) varieties under varied irrigation and fertilizer rates. The experiment was consisted of 18 treatment combinations viz., 2 fodder oat variety (Kent and JHO-851), 3 irrigation schedules (0.8, 1.0 and 1.2 IW/CPE) and 3 fertilizer levels (75, 100 and 125% of recommended dose of fertilizer-RDF). Result showed that varities of oat did not differ significantly in relation to growth, yield and water use efficiency, but JHO-851 accumulated higher crude protein than Kent. The significant response of growth, dry fodder yield and nutrient uptake to irrigation was observed upto 1.0 IW/CPE and it increased green and dry fodder yields by 11.8 and 7.3% respectively over 0.8 IW/CPE. Likewise, application of 125% of RDF increased green and dry fodder yields by 17.7 and 10.4%, over 100%, respectively. Water use efficiency was increased with fertilizer and vice-versa with irrigation intensity. Apparent nutrient (N, P and K) balances were decreased with irrigation and increased with graded fertilizer application except potassium. Nitrogen and potassium apparent balances were negative. The maximum economic returns were obtained when crop was fertilized with 125% of RDF and irrigation scheduled at 1.0 IW/CPE.

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