Herbicides Weed Management Effect on Weed Dynamics, Crop Growth and Yield in Rice

Abstract

Effect of herbicide and their combinations on crop growth, weed suppression and rice yield were evaluated at agronomic research farm of Rajendra Agricultural University, Bihar (Pusa) during Kharif season of 2009-10.Results revealed that weed control measures had a significant effects on weed population/m 2 . At 20 DAT minimum weed population/m 2 was recorded with Butachlor @ 1.5 kg a.i/ha (PE) which was significantly superior to weedy check (no weeding