Shared Prof.Dr Qais Al-Sammak a teaching at the College of Education for Pure Sciences / University of Karbala in a committee to discuss the doctoral thesis to the student (Bashar Mezher Jadir) from the College of Agriculture / University of Muthanna, tagged (the effect of limestone treatment with organic matter, biogas products and the quality of treated water on the growth and productivity of potatoes). And on Wednesday, April 22/2020, and through the free conference call.