Author(s):

Vishuddha Nand, R Yadav, Rajesh Kumar, RK Doharey, SK Verma, Neeraj Yadav and RK Yadav

Abstract: A field experiment was carried out at Agronomy Research Farm,Narendra Deva University of Agriculture & Technology, Kumarganj, Faizabad (U.P.) during Rabi season 2016-17.The experiment was laid out in Split Plot Design with three replications. Main plot were treated with fertilizer levels, F₁ (60 kg N+ 30kg P₂O₅ ha^-1), F₂(80 kg N+40 kg P₂O₅ ha^-1), F₃ (100 kg N+50 kg P₂O₅ ha^-1) and F₄ (120 kg N+60 kg P₂O₅ ha^-1) and sub plot were treated with cutting schedule as 45 DAS, 55 DAS, 65 DAS and 75 DAS. The results revealed that the growth parameters like, plant height, dry weight of plant, leaf area index (LAI) and no. of tillers at first cutting and at harvest were recorded maximum with the application of 120 kg N + 60 kg P₂O₅ ha^-1 fol1owed by 100 kg N + 50 kg P₂O₅ kg ha^-1 and 80 kg N + 40 kg P₂O₅ha^-,¹ respectively and significantly higher over the application of 60 kg N +30 kg P₂O₅ ha^-1. The maximum plant height (77.28 cm) was recorded when barley crop cut as 75 DAS which was higher tune to the 12.6%, 17.57% and 32.51% over 65, 55 and 45 days after sowing. The dry matter accumulation, leaf area index and no. of tillers were also maximum in the same cutting. However, the quality parameters viz, crude protein (12.88%), crude fiber (31.87%),TDN (65.93%), WSC(10.40%), ADF (31.34%), NDF (52.49%) and Ash (13.34%) were recorded maximum with the application of 120 kg N + 60 kg P₂O₅ ha^-1 while in case of cutting schedule the maximum crude fiber (31.49%), WSC (10.80%), ADF (33.58%), NDF (54.02%) and Ash (15.20%) were found at first cut (75 DAS) where as crude protein (13.13%) and TDN (65%) obtained at first cut (45 DAS).

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