List of Articles Leaf chlorophyll index Open Access Article Abstract Page Full-Text 1 - Effect of plant density on some growth and physiological responses, and antioxidant enzymes activities of chickpea (Cicer arietinum L.) under different irrigation levels Mohammad Barzali Mohammad Nasri Maziyar Karimi Far Open Access Article Abstract Page Full-Text 2 - Investigation of some physio-morphological traits of purslane (portulaca oleracea L.) landraces under drought stress Elham Azizi Younes Rezapour mansooreh kermani ali masoomi 10.30495/iper.2021.679527