List of Articles nitrogen fixation efficiency Open Access Article Abstract Page Full-Text 1 - The effect of drought stress on the efficiency of rhizobial bacteria symbiotic with faba bean Barkat variety Mohammad hossein Arzanesh 10.30495/jper.2023.1976428.1838 Open Access Article Abstract Page Full-Text 2 - The effect of drought stress on the efficiency of rhizobial bacteria (Rhizobium leguminosarum) symbiotic with faba bean (Phaseoulus vulgaris) Barkat variety Mohammad hossein Arzanesh