The results from this study revealed that the Area of most moderate suitability, 86.04 % of the total area in watershed at the electrical conductivity (EC) in the range of 8-16 dS/m. The results of this study showed that the planting potential in moderate suitability area the study also revealed that growth and biomass significantly increased (P < 0.01), the surface irrigation about 18.06 of area /ha. The study of yield and economics revealed that harvesting the suitable interval were at the range age of 7-10 years up