石津灌区位于石家庄专区的中部和东部以及衡水专区部分地区。作物以棉麦为主,是我国主要棉粮产区之一。近几年来,经过大规模的扩建,灌区范围扩展到522.4万亩,但是,土壤盐渍化也随之有了迅速的发展,据1958年统计,该区盐渍化土壤有77万多亩, Shijin Irrigation District is located in the central and eastern part of Shijiazhuang and Hengshui areas in some areas. Cotton and wheat-based crops, is one of China’s major cotton-producing areas. In recent years, after a large-scale expansion, the irrigated area has been expanded to 5,242,000 mu. However, soil salinization has also rapidly developed. According to the statistics of 1958, there are more than 770,000 mu of salinized soils in the area,