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• Jaafari Haghighi.Barmak The effect of salicylic acid application on yield and yield components of corn (Zea mays L.) in drought stress condition [ Vol.4, Issue 10 - Summer Year 1391]
• Jafari.A. Evaluation the effect of C3 and C4 weeds and different levels of nitrogen on growth and biomass production of sunflower (Heliantheus annus L.) [ Vol.4, Issue 11 - Winter Year 1391]