PERFORMANCE OF VARIOUS RICE (Oryza sativa L.)  VARIETIES UNDER VARIABLE NITROGEN LEVELS IN THE EASTERN UTTAR PRADESH

Rakesh  Maurya; Manoj Kumar  Singh; Mona  Nagargade; Deepak Kumar  Yadav; Vijay  Pratap

doi:10.18006/2021.9(Spl-3-NRMCSSA_2021).S330.S335

Authors

Rakesh Maurya SNRM, CPGSAS, CAU, Umiam, Meghalaya- 793 103, India
Manoj Kumar Singh Department of Agronomy, I.Ag.Sc. BHU, Varanasi- 221005, India
Mona Nagargade Division of Crop Production, ICAR IISR Lucknow UP-226002, India
Deepak Kumar Yadav Department of Agronomy, I.Ag.Sc. BHU, Varanasi- 221005, India
Vijay Pratap Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi- 110012, India

DOI:

https://doi.org/10.18006/2021.9(Spl-3-NRMCSSA_2021).S330.S335

Keywords:

Rice varieties, Growth attributes, Yield, Nitrogen levels

Abstract

A field experiment was conducted at the Indo Gangetic plain of Varanasi in 2017 during the rainy season. The study was conducted in a split-plot design with three main plots treatments viz. three rice varieties (V1- BPT-5204, V2- Rajendra Kasturi and V3- HUBR 2-1) and four subplots treatments viz. nitrogen levels (N1- 100, N2- 120, N3- 140 and N4- 160 kg ha^-1). Each treatment was replicated three times. The results of the study revealed that the BPT-5204 variety had significantly higher growth attributes as compared to the other two varieties, including plant height (104.92 cm), leaf area index (5.26), tiller hill^-1(8.25), and dry matter production (46.59 g hill^-1), similarly yield and yield parameters were highest in BPT- 5204 rice variety viz. the number of panicles m^-2 (352.50), grains panicle^-1(177.08), panicles weight (3.51g), panicle length (23.67 cm), grain yield (50.73q ha^-1), biological yield (112.90 q ha^-1) and harvest index (0.45) but HUBR 2-1 variety gave significantly higher straw yields (62.17q ha^-1) and test weight (20.91 g). For the subplots treatments, nitrogen (N) level 160 kg ha^-1gave the significantly highest growth parameters, yield and yield parameters.

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