A field experiment was conducted on sandy loam soil at Research Farm of Sher-e-Kashmir University of Agricultural Sciences & Technology, Chatha, Jammu during the years 2006 and 2007 to study the effect of weed management and crop establishment methods on weed dynamics and grain yield of rice. The results revealed that among weed management methods, mechanical hoeing using conoweeder (at 15 and 30 Days after transplanting, (DAT) significantly reduced the total weed population and dry weight of weeds and recoded higher grain (4256 and 4393 kg/ha) and straw yields (5381 and 5677 kg/ha ) than weedy check , but was statistically at par with fenoxapropp- ethyl (0.06 kg/ha, 20 DAT) fb 1 HW at 30 DAT, followed by metsulfuron methyl fb chlorimuron ethyl (0.004 kg/ha, 20 DAT) fb 1 HW at 30 DAT, fenoxaprop-p-ethyl (0.06 kg/ha, 20 DAT) and metasulfuron methyl fb chlorimuron ethyl (0.004 kg/ha, 20 DAT). However, metsulfuron methyl fb chlorimuron ethyl (0.004 kg/ha) was found to be more effective against broad leaved weeds and very little to sedges, thus failed to control major grassy weeds during the experimentation. Among the establishment methods of rice, conventional and system of rice intensification (SRI) methods were at par with respect to effective tillers, panicle length, grains/panicle, 1000 grain weight, grain yield, straw yield and harvest index. Significantly highest and lowest grain yields were obtained in case of weed free (4662 and 4745 kg/ha) and weedy check (3075 and 3140 kg/ha) treatments, respectively during both the years