List of Articles biological nitrogen fixation Open Access Article Abstract Page Full-Text 1 - Effect of phosphorus rate, Rhizobium phaseoli inoculation and Nitragin biofertilizer on growth and yield of common bean (Phaseolus vulgaris L.) Meysam Ghanbarzadeh Hashem Aminpanah Hasan Akhgari Open Access Article Abstract Page Full-Text 2 - Evaluation of nitrogen fixation ability of common bean (Phaseolus vulgaris L.) cultivars with three types of inoculants which contain different strains of Rhizobium phaseoli Mahdi Taherkhani Gorban Mirhadi Mohammad Javad Mirhadi Rahim Alimohammadi