同心扬黄新灌区系引黄河水经五级扬水阶梯、流进同心县境。目前农业生产受益地区在同心县河西乡,南北长35公里,东西2～4公里。该区地势平坦,土层深厚,地下水埋藏深,土质良好;光照充足,热能丰富。据当地1956～1980年气象资料统计,年平均气温8.8℃,最高的7月份为22.6℃,年降雨量281.5毫米, Yellow River irrigation area of ​​Yellow River Conservative Department cited the Yellow River water by five steps, into concentric county. At present, the agricultural production benefit area is located in Hexi Township, Tongxin County, 35 kilometers long from north to south and from 2 to 4 kilometers east-west. The area is flat, deep soil, buried deep groundwater, soil quality is good; adequate light, rich in heat. According to the statistics of the local meteorological data from 1956 to 1980, the annual average temperature is 8.8 ℃, the highest is 22.6 ℃ in July and the annual rainfall is 281.5mm,