EFFECT OF BIO-FERTILIZATION ON YIELD OF POTATO CULTIVAR MARFONA Journal title: International journal of Advanced Biological and Biomedical Research Authors: Ali Tabatabai| M.Sc. in Agronomy, Malekan Branch, Islamic Azad University, Malekan, Iran, E-mail: al... Subject(s): Biological Sciences, Biochemistry, Microbiology, Molecular Biology, Anatomy, Physiology