Author(s):

Balwinder Singh, Kamlesh Kumar and Manpreet Kaur

Abstract: Experiment was conducted during <em>rabi</em> season of 2015-16 at the Agricultural Research Farm Dhablan of the G.S.S.D.G.S. Khalsa college Patiala, Punjab. The experiment consisted of two factors viz. three nitrogen levels (N_0,N_100,N₁₅₀kg/ha) in main plots and four zinc levels (Z_0,Z_1.5, Z₃, Z₆ kg/ha) and was laid out in a Factorial Randomized block design replicated thrice. Cobs/plant, length of cob, number of grains/cobs, 1000-grain weight and weight of cobs increased with all fertilizer rates consistently and significantly over control. Nitrogen 150 kg/ha and zinc 6 kg/ha gave maximum 1000-grain weight (445.0 g), length of cob (19.20 cm), cob weight (240.40 g), number of grains/cob (368.30), grain yield (41.80 q/ha), stover yield (251.0 q/ha) and B.C ratio (2.62) followed by nitrogen 100 kg/ha and zinc 3 kg/ha.

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