As part of the activities of the cultural season of the Environmental Research Center, assistant lecturer Ola Hamid Mahmoud gave a lecture entitled (The effect of irrigation patterns on the properties of clay minerals in rice farm soils in the Middle Euphrates governorates), where she shed light on silicate clay minerals from a scientific and applied point of view, the most important component of the soil. The other, because it is the most effective component after organic matter, and the chemical, physical and fertility characteristics of the soil are often determined by the type and quantity of clay minerals in the soil.