沧州地区有种不保苗和寸草不生的重盐地约二百余万亩。由于缺乏水源,劳畜力不足,大面积地洗盐种稻改良土壤,尚不可能。养护耐盐植物柽柳是利用和改良重盐碱地的一个途径。柽柳(五蕊柽柳 Tmarix pendandra 占多数)俗称红荆,在盐碱地上分布甚广,以运河以东南皮、东光、黄骅、青县最多;是 Cangzhou area does not protect seedlings and grass is not born of salt about 200 acres. Due to the lack of water, inadequate labor force, large areas of salt to wash rice to improve the soil, it is impossible. The conservation of salt tolerant plant tamarisk is one way to utilize and improve heavy saline soil. Tamarix (five Tamarix pendandra accounted for the majority), commonly known as red Jing, widely distributed in the saline land to the canal to the southeast skin, East Light, Huanghua, Qingxian up;