Effect of different weed management practices on economics of onion (Allium cepa L.)

Abstract

The field experiment was conducted during Rabi season of 2016-17 at the Horticulture Research cum Instructional farm, BTC CARS, Bilaspur (C.G.). The treatments consisted of ten combination of different agro input management practices viz., T1 (control weedy check),T2 (weed free),T3 (Pendimethalin @ 1.75 kg/ha (pre-emergence)),T4 (Oxyfluorfen @ 1 kg/ha (pre-emergence)), T5 (Quizalofop-ethyl @1 kg/ha (Post-emergence)), T6 (Pendimethalin @ 1.750 kg/ha (Pre emergence) + Quizalofop-ethyl @ 1 kg/ha (Post-emergence)), T7 (Oxyfluorfen @ 1 kg/ha (Pre-emergence) + Quizalofop-ethyl @ 1 kg/ha (Post-emergence)), T8 (Two hand weeding at 25 and 45 DAT), T9 (Black polythene mulch), T10 (Organic mulch with paddy straw @ 20 q/ha).The significantly maximum Maximum gross returns (₹ 4,55,050.00/ha), net income (₹ 3,80,228.81/ha) and benefit: cost ratio (5.08) was recorded in weed free treatment. Among herbicidal treatments maximum gross returns (4,15,170.00/ha) and net income (3,55,064.81/ha) and benefit:cost ratio (5.90) was observed with the application of T7 (Oxyfluorfen @ 1 kg/ha (Pre emergence) + quizalofop ethyl @ 1 kg/ha (Post- emergence)) applied at 30 (DAT).