Qadeer, Abdul, Majid Mahmood Tahir, Muhammad Kaleem Abbasi, Ahsan Ali, and Adnan Rasheed. 2019. “Morphological and Phenological Responses of Sunflower to Nitrogen Fertilization and Plant Growth Promoting Rhizobacteria under Rainfed Conditions in Pakistan: Morpho-Phenological Responses of Sunflower to Plant Growth Promoting Rhizobacteria and Nitrogen”. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences 56 (1):41–48. http://ppaspk.org/index.php/PPAS-B/article/view/184.