List of Articles تثبیت بیولوژیکی نیتروژن Open Access Article Abstract Page Full-Text 1 - Effect of Azospirillum lipoferum Inoculation, Previous Crop, and Usage Nitrogen on Rice (Oryza sativa L.) Growth and Yield Milad Javadi Hashem Aminpanah 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