Evaluation of the effect of magnetic field on rapeseed growth and the causal agent of blackleg disease, Phoma lingam oleh Samira Peighami Ashnaei, Reyhane Sadeghi, Laleh Hosseinian, Ahmad Shafaeizadeh, Mehran Zeinalipour, Hamid Keshvari, Mehrdad Imanzadeh, Mostafa Bahmanabadi