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山东省引黄济青工程是一项跨流域、远距离的大型明渠调水工程，全长 265公里。从 1990年春季开始，引黄济青管理局在工程沿线因地制宜、科学规划，逐段整平弃土场 ，逐步改良土壤，逐年植树造林。至 1996年，工程两岸形成了乔、灌、草相结合的防护林体系，对维护工程安全、减少
Yellow River diversion project in Shandong Province is an inter-basin, long-distance large open channel water diversion project, a total length of 265 km. Starting from the spring of 1990, the Yellow River and Yellow River Administration Bureau adjusted the measures to local conditions and scientifically planned along the project to gradually flatten the spoil grounds, gradually improve the soil and reforest trees year by year. By 1996, the shelterbelt system combining Qiao, Irrigation and grass has been formed on both sides of the project, which is of great significance in maintaining the safety of the project and reducing