A doctoral dissertation entitled ” The effect of humic acid fertilization on yellow maize under water stress conditions” was discussed by Ola Rasim al-Siba’i at the Faculty of Agriculture, under the supervision of Prof. Samir Shamsham and with the participation of Prof. Fadi Abbas. The judging panel comprised the following professors: Prof. Ahmed Al-Jardi, Prof. Abdullah Al-Essa, Prof. Samir Shamsham, Prof. Abdul Hakim Qashem, and Prof. Manhal Al-Zoubi.
. At the end of the discussion, the researcher Ola Rasim al-Siba’i was awarded a doctorate degree in agriculture with distinction.