Open Access Research Paper Views (946) Growth and yield response of upland rice to nitrogen levels and weed control methods J. A. Adigun, E. Kolo, O. R. Adeyemi, O. S. Daramola, A. A. Badmus, O. A. Osipitan Int. J. Agron. & Agric. Res. 11(6), 92-101, December 2017. Keywords: Butachlor, Nitrogen, Pre-emergence herbicide, Propanil, Rice, Weeds Details