List of Articles Azotobacter Open Access Article Abstract Page Full-Text 1 - The effect of bio-fertilizers and Nano-nitrogen on strawberry quality and quantity under different levels of nitrogen Davood hashemabadi Mohammad hossain Namaki Farzin Saeeid zade 20.1001.1.76712423.1397.13.52.6.5 Open Access Article Abstract Page Full-Text 2 - Effect of different sources of biological and chemical fertilizers morphological and functional traits of Triticum aestivum L. hadi jahanshahi Hossein Ajam Noruzi MOHAMMAD REZA DADASHI mohammad ali Rezaii hedieh mosanaiey 10.30495/iper.2021.679560 Open Access Article Abstract Page Full-Text 3 - The effect of combined application of nitrogen fertilizer and Azotobacter at different plant densities on some quantitative and biochemical characteristics of spring corn (Zea mays L.) مانی Mojaddam معصومه Poostizadeh 20.1001.1.76712423.1395.11.42.1.6 Open Access Article Abstract Page Full-Text 4 - Effect of organic, biological and chemical fertilizers on yield and efficiency elements of sesame farzad babaei Esmael Ganghene Afshin Mozafari Mohammad Mirzaei Heidari Rahim Naseri 10.30495/iper.2022.679537 20.1001.1.24237671.1400.16.64.9.3 Open Access Article Abstract Page Full-Text 5 - Investigating the effects of six types of nitrogen fertilizers on growth, and the content of chlorophyll , protein, phosphorus, and potassium in Euphorbia tirucalli L. under pot culture conditions Athare Zabihi Aryan Sateei Mazeyar Ahmadi golsefidi Mehdi Ebadi 10.30495/iper.2022.1927370.1718