KHUDHUR, A. ISOLATION AND CHARACTERIZATION OF PLANT GROWTH PROMOTING RHIZOBACTERIA (FLUORESCENT PSEUDOMONADS) FROM ERBIL SOIL, KURDISTAN REGION-IRAQ AND USE TO IMPROVE GROWTH AND YIELD OF ZEA MAYS. Polytechnic Journal, v. 8, n. 3, p. 26-44, 20 ago. 2018.