Abstract
An experiment was carried out at Agronomy Research Farm of Acharya Narendra Deva University of Agriculture and Technology, Kumarganj, Ayodhya (Uttar Pradesh) during Rabi season (2022-23 & 2023-24) to investigate the effect of nutrient management and weed control practices on dynamics of weed in different treatments in wheat crop. Split plot design was used in the experimental field with three nutrient levels in main plot and six weed control practices in sup plot and replicated thrice. Among the nutrient management treatments 75% RDF + 10 t ha-1 FYM + one spray of nano-urea @ 4ml/lit was found to be more effective for controlling weed density, weed dry weight, weed control efficiency (%), and weed index (%) during both years of experimentation. Sequential spray of Clodinofop + Metsulfuron (60 + 4 g a.i. ha-1) reduced the density and dry weight of weeds, however recorded highest weed control efficiency (89.57% & 90.77%) and minimum weed index (1.99 & 1.96) during 2022-23 and 2023-24 respectively. The better control of weeds and higher uptake of nutrient in this treatment resulted in higher yield. Thus it might be concluded that application of 75% RDF +10 t ha-1 FYM + one spray of nano-urea @ 4ml/lit with the spraying of Clodinofop + Metsulfuron (60 + 4 g a.i. ha-1) found to be more effective in reducing weed infestation in wheat crop.
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