Assessing Crop Water Productivity under Different Irrigation Scenarios in the Mid–Atlantic Region

The continuous growth of irrigated agricultural has resulted in decline groundwater levels many regions Maryland and the Mid–Atlantic. main objective this study was to use crop water productivity as an index evaluate different irrigation strategies including rainfed, groundwater, recycled use. Soil Water Assessment Tool (SWAT) used simulate watershed hydrology yield. It estimate corn soybean using sources, treated wastewater from adjacent treatment plants (WWTPs). SWAT model able at both subbasin hydrologic response unit (HRU) levels. Results suggest that supplemental can provide opportunities for improving save fresh sources. total (irrigation rainfall) values were found be 0.617 kg/m3 0.173 kg/m3, respectively, while rainfall plus 0.713 0.37 soybean, respectively. outcomes information regarding enhancing management similar physiographic regions, especially areas where is low due limited freshwater availability.