Abstract: A field experiment was held in summer season 2011 in the fields of one of the farmers on the banks of the Euphrates River in Ramadi City on the Mungbean harvest, to study the effect of two Irrigation period (7-14) days, and three intensities of potassium (0, 50, 100) Kg/h on some of the characteristics of this harvest and the class of the used harvest is the local kind. Results showed superiority the plants were irrigated every 7 days in the highest rate of all the characteristics of study. The results also showed surpass the plants were fertilized by a higher concentration of potassium (100) kg \ ha of all the characteristics of study. The search results showed the superiority of irrigated every 7 days and fertilized by the high level of potassium (100) kg \ e in the highest rate for all characteristics of study in a significant difference from other interventions.