Green gram, being a photo and thermo-insensitive crop, is successfully raised in rainy as well as summer season. In rainy season, weeds are serious problem due to favorable conditions for their growth. Weed management is an important key factor for enhancing the productivity of green gram, as weeds compete for nutrients, water, light and space with crop plants during early growth period. Moreover, besides low yield of crop, they increase production cost, harbor insect-pest and plant diseases, decreasing quality of farm produce and reduce land value. Of the different factors known for...