This morning, Tuesday, 4/26/2022, at the Jaber Bin Hayyan Hall at the Faculty of Agriculture, Muthanna University .. Discussion of the thesis of the master’s student (Mohamed Abdel -Muhammad) and the season (the effect of the zinc zinc and the nanovias on the readiness and absorption of zinc, phosphor ) … After an in -depth and extensive discussion, I was approved the message and with a fulfillment appreciation … Mubarak for the student and his supervisor and members of the discussion committee.