List of Articles copper toxicity Open Access Article Abstract Page Full-Text 1 - Effects of Copper Heavy Metal and Interaction With Nitric Oxide on Growth Parameters, Photosynthetic Pigment, Soluble Carbohydrate Content and Antioxidant Enzymes in Portulaca oleracea L. Ferdous Fendereski, Mahlagha Ghorbanli* and Arian Sateei 10.30495/ijpp.2015.539669