TY - JOUR AU - Niakan, Maryam AU - Mohammadi, Mohammad hossain AU - Rameah, Vali ollah AU - Nourinia, Abbas ali TI - 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) JO - Journal of Plant Environmental Physiology VL - 1 IS - 2 SP - 1 EP - 10 PY - 2006 DO - 10.30495/iper.2006.689405 ER -