A field experiment was conducted to study the effect of different level of zinc on various variety of rice during two consecutive kharif seasons year 2022 and 2023 respectively. The experiment was laid out in split plot design with four variety of rice (Sarju-52, NDR-2064, NDR-2065 and Swarna Sub-1) in Main plot. Each main plot was further divided in five Sub plot i.e (Control, Zn @ 2.5 kg/ha, Zn @ 5 kg/ha, Zn @ 7.5 kg/ha and Zn @ 10 kg/ha).the result recorded that the variety NDR 2065 maximum panicle length (24.8cm ,25.3), number of panicles m-2 ( 134.1, 137.5), number of grains per panicles (149.1 ,152.6), test weight (23.6g, 23.7g) grain yield (44.19, & 46.01) q ha-1,straw yield (67.31 & 70.13) q ha-1,and biological yield (111.50 &116.14) q ha-1during 2022 and 2023 respectively. Among Zn level Maximum value of yield attributes and yield was recorded under Zn @10 kg/ha which was at par with 7.5 kg/ha, and 5 kg/ha for number of panicles, number of grains per panicle, 1000 grain seed weight, grain yield, straw yield, biological yield during both years.
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Gupta et al. (2024) studied this question.
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