Rezaؘie jani, Yadgar, Pasari, Babak, Rokhzadi, Asad. Application of phosphorous from different chemical, biological and nano-fertilizer sources along with spraying of growth promoting substances on some growth indices, soluble sugars, and nicotine of tobacco (Nicotiana tabacum L.). Journal of Plant Environmental Physiology. 2018;13(50):25-40.