List of Articles پراکسیداز ـ رنگیزه ـ سولفات ـ کاتالاز ـ کلزا ـ نیترات ردوکتاز Open Access Article Abstract Page Full-Text 1 - The effect of sulphate on amount of pigments photosynthesis and activity of catalase,peroxidase and nitrate reductase in leaf and root of canola (Brassica napus L. cv Hyola 401) Maryam Niakan Mohammad hossain Mohammadi Vali ollah Rameah Abbas ali Nourinia 10.30495/iper.2006.689405