Author(s): DIPALI MANDAL, AMA.RESH KBUNTIA, SUBRATA GHOSH, D. PAL AND R. K. GHOSH

Abstract: A field experiment was conducted in Viswavidyalaya Farm, Kalyani, Nadia, West Bengal, during Pre-kharif season2004 and 2005 to evaluate the critical period of crop-weed competition in summer greengram. The experiment was laidout in randomized block design (RBD) with 6 treatments replicated four times. From this experiment it was recycled that weed free from 7 or 14 DAS resulted significantly higher yield. On the contrary weed free after 28 DAS onwards did not increase the yield significantly over unweeded control.

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