Iqbal, M. F., Sufyan, M. A., Aziz, M. M., Zahid, I. A., Qamir-ul-Ghani, & Aslam, S. (2009) 'EFFICACY OF NITROGEN ON GREEN FODDER YIELD AND QUALITY OF OAT (Avena sativa L.)', Journal of Animal and Plant Sciences, 19(2), pp. 82-84.