TY - JOUR AU - Mirhasanzadeh, E. AU - Tookalloo, M. R. AU - Rahimizadeh, M. TI - Effect of plant density and nitrogen fertilizer different rates on sorghum cultivars forage yield JO - New Finding in Agriculture VL - 8 IS - 29 SP - 73 EP - 86 PY - 2013 DO - ER -