TY - JOUR AU - akbari, mohamad amin AU - pazoki, alireza TI - Effect of Plant Growth Promoting Rhizobacteria (PGPRs) on yield and yield components of Black cumin under drought stress conditions in Shahr-e-Rey region JO - Journal of Crop Production Research (JCPR) VL - 12 IS - 1 SP - 83 EP - 103 PY - 2020 DO - ER -