Isolation and definition of Citrobacter barrkii , Plant Growth Promoting Rhizobacteria (PGPR) . مجلة للعلوم الزراعية [Internet]. 2025 Dec. 17 [cited 2026 Jun. 18];41(4). Available from: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/8965