山东省引黄济青水土资源开发部下设滨州、东营、潍坊、青岛四个分部 ,主要从事工程配套绿化以及大规格苗木、常规苗木和花卉的培育。目前已开发土地 1 .5万亩 ,各类苗圃 1 0 0 0余亩 ,共培育 1 0 0多个城乡绿化品种 ,存圃量达到 2 0 0万株。绿化苗木 :毛白杨 (三倍体、鲁毛 50 Under the guidance of the Ministry of Water Resources and Land Development of Shandong Province, the four branches of Binzhou, Dongying, Weifang and Qingdao are mainly engaged in the afforestation of large projects and nurturing of large-sized seedlings and flowers. At present, it has developed 15,000 mu of land and 1,000 mu of nurseries of all kinds, cultivating more than 100 greenbelt varieties in both urban and rural areas and saving 20 million nurseries. Green seedlings: white poplar (triploid, Lu Mao 50