Impact of Weed Management Practices on the Weed Dynamics, Nutrient Uptake Pattern of Weeds and Direct Seeded Rice

Herbicide based weed management is the emerging and effective method for controlling flora of direct seeded rice. Weed growth often has an impact on crop development by interfering with plant nutrients. A two-year experiment twelve treatments was set up at University Agricultural Sciences in Bangalore, Karnataka, India to know effect practices nutrient dynamics Significantly lower total density biomass observed bispyribac sodium 10 SC 40 g a.i. ha-1 as post emergence which recorded statistically par values bensulfuron methyl + pretilachlor 6.6 GR 660 pre-emergence during both years study. The allelochemicals used study performed well over unweeded control but it far less when compared chemical herbicides. Nutrient uptake rice (82.17, 31.76 68.83 kg NPK 2020 89.38, 38.84 75.62 2021, respectively) grain yield (4.98 t 4.99 also reported be higher pre-emergence. As weeds are negatively correlated, same have removal weeds. Higher rapid had resulted poor soil nutritional status all other treatments. Application or were considered best under