贛榆县处于江苏省的最北端,东滨黄海,西、北两面被沂蒙山余脉环抱,地势由西北向东南傾斜,山丘紧接平原,地形比較复杂。过去,山区多是荒山秃岭,水土流失非常严重,一到汛期,洪水横流,海潮頂托,汛后遇旱又无水可灌,因此洪、涝、旱灾連年交替发生,农业生产沒有保障,人民 Ganyu County is located at the northernmost tip of Jiangsu Province. The Yellow Sea on the east coast, surrounded by the remnants of Yimeng Mountain on both sides of the west and north, the terrain slopes from northwest to southeast. The hills are close to the plain and the terrain is rather complicated. In the past, mountainous areas were mostly mountain ranges and bald valleys. Soil and water loss were very serious. Flooding, floods and droughts alternately occurred in successive years due to flood season, flood crossings, ,people