Formerly International Journal of Basic and Applied Agricultural Research

Effect of nitrogen scheduling on fodder yield, quality and economics of multi cut fodder oat (Avena sativa L.)

Pantnagar Journal of Research, Volume - 20, Issue - 2 ( May-August 2022)

Published: 2022-08-31

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The study was conducted at Instructional Dairy Farm, Nagla, G. B. Pant University of Agriculture and Technology, Pantnagar in the Rabi season of 2021-22 to assess the ‘Effect of nano urea scheduling on fodder yield, quality and economics of multi cut fodder oat (Avena sativa L.)’. Nano urea scheduling had significant effect on growth attributes, fodder yield, quality and economics of multicut fodder oat. The results revealed that application of 125% RDN (75 kg N basal followed by top dressing of 37.5 kg N each at 1st and 2nd cut) had significantly higher growth attributes, green and dry fodder yield quality and also economics with 6.9, 6.6 and 10.3% higher green fodder yield, 8.1, 7.2 and 11.1% higher dry fodder yield and 10.2, 8.5 and 16.8% higher net returns than 125% RDN+NU, 100% RDN and 100% RDN+NU treatments, respectively, Among the vermicompost treatments, the GFY was 3.1 and 3.3% and DFY was 3.8 and 2.2% higher under 75%RDNVC+NU than 100% RDNVC and 50% RDNVC+NU, respectively. The B:C ratio was higher under 75% RDNVC+NU than 100% RDNVC. Alone application of nano urea either at 45 DAS or 20 and 40 DAS followed by its spray at 1st and 2nd cut had significantly higher values than control but lower than other treatments. The crude protein content and production followed the similar trend as found in case of GFY and net return. Therefore it is concluded that multicut oat may be grown with application of 100% RDN i.e., 120:60:40:: N:P2 05 :K2 0 kg/ha and for organic oat fodder, vermicompost may be applied @4.5 t/ha as basal followed by two spray with nano urea @ 4ml/l at 1st and 2nd cut for higher growth, foliage yield, quality and net profits in Tarai region of Northern Himalaya and may also be replicated in other oat growing regions of India.

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