Abstract:A field investigation was carried out at Tamil Nadu Agricultural University, during winter 2011- 12 to evaluate the new formulation of potassium salt based glyphosate (Roundup Crop Shield 460 SL) on weed control in winter irrigated cotton. Experimental results revealed that, post- emergence application of glyphosate at 1800 g a.e. ha-1 at 35 and 70 days after sowing + Intercultural operation as earthing up at 45 and 55 days after sowing resulted in lower weed density, weed dry weight and higher weed control ef… Show more
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