WEED TOLERANCE, SUPPRESSION AND GRAIN YIELD OF INTER AND INTRA SPECIFIC RICE VARIETIES IN NIGERIA J. A. Oladiran Oladiran H. I. Usman Usman J. A. Oladiran Oladiran M.G.M. Kolo M.G.M. Kolo H. I. Usman Usman DOI: https://doi.org/10.28941/pjwsr.v19i3.502 PDF Published 2013-09-01 Issue Year 2013, Volume 19 , Issue 3 Section Articles