Vol. 11, Issue 5 (2022)

Author(s):
Satyaveer Singh, MZ Siddiqui, Naushad Khan, RA Yadav, DD Yadav, Sanjeev Kumar, Anshul Singh and Sudhir Pal

Abstract:
A field experiment was conducted at Students’ Instructional Farm of Chandra Shekhar Azad University of Agriculture and Technology Kanpur, Uttar Pradesh to assess the effect of land configuration and weed management practices and their interaction on growth of kharif season hybrid maize for two consecutive years (2019 and 2020). The experiment consisted of three land configuration as main treatment viz; P₁ -flat-bed planting, P₂ -Ridge and furrow planting, and P₃ -Broad bed and furrow planting and six weed management were applied as sub treatment viz; W₁ -Pendimethalin @ 1.0 kg ha^-1 as pre – emergence + Halosulfuron methyl @ 67.5g ha^-1 at 15-20 DAS as post- emergence, W₂ -Atrazine @ 1.0 kg ha^-1 as pre – emergence + Halosulfuron methyl @ 67.5g ha^-1 at 15-20 DAS as post – emergence, W₃ -Pendimethalin @ 1.0 kg ha^-1 as pre- emergence + Halosulfuron methyl @ 67.5g. ha^-1 at 15-20 DAS as post – emergence + one hand weeding at 45 DAS, W₄ -Atrazine @ 1.0 kg ha^-1 as pre – emergence + Halosulfuron methyl @ 67.5g ha^-1 at 15-20 DAS as post – emergence + one hand weeding at 45 DAS, W₅ -Weed free and W₆ -Weedy check making eighteen treatment combinations which was assigned in a Split Plot Design (SPD) replicated thrice. Hybrid maize variety (DKC –7074) was grown with the recommended agronomic practices. Results showed that, among land configuration methods broad bed and furrow method of planting produce significantly highest grain (60.99 q ha^-1), stover (116.14 q ha^-1), and biological (176.64 q ha^-1) yield as compared to flat-bed method of planting, but statistically at par with the ridge and furrow method of planting. Among weed management practices, weed free plot produce significantly maximum grain (65.53 q ha^-1), stover (121.46 q ha^-1), and biological (186.99 q ha^-1) yield as compared to all other treatment and significantly at par with the treatment where atrazine @ 1.0 kg ha^-1 as pre- emergence + halosulfuron-methyl @ 67.5 g ha^-1 at 15-20 DAS as post emergence + one hand weeding at 45 DAS were applied. The maximum gross income (131606.15 ₹ ha^-1), net return (93454.34 ₹ ha^-1) and B: C ratio (3.43) recorded with the broad bed and furrow method of planting as compared to flat-bed method of planting. Weed free plot produce significantly maximum gross income (140785.30 ₹ ha^-1), and net return (100767.15 ₹ ha^-1) as compared to all other treatment and significantly at par with the treatment where atrazine @ 1.0 kg ha^-1 as pre- emergence + halosulfuron-methyl @ 67.5 g ha^-1 at 15-20 DAS as post emergence + one hand weeding at 45 DAS were applied. While the maximum B: C ratio (3.62) recorded with the herbicidal treatment where atrazine @ 1.0 kg ha^-1 as pre- emergence + halosulfuron-methyl @ 67.5 g ha^-1 at 15-20 DAS as post emergence applied and significantly superior to all other treatments during both the years as well as pooled basis.