山杏资源的保护管理与开发利用李吉人，金宝山，李仁贵山杏是我区传统的木本油料树种，也是生态效益、经济效益和社会效益有机结合较好的树种之一。自三北防护林体系建设和防沙治沙工程实施以来，各地在优化林种、树种结构中，注重发展人工山杏林和大扁杏。同时，对重点山... Protection, Management and Utilization of Prunus armeniaca Resources LI Ji-ren, JIN Bao-shan, LI Ren-gui Prunus armeniaca is a traditional woody oilseed species in our district and one of the tree species with good combination of ecological, economic and social benefits. Since the implementation of the Three-North Shelterbelt System and Desertification and Sediment Control Project, all localities have focused on the development of Artificial Prunus sibirica and Daping apricot in optimizing the types of forest and tree species. At the same time, focus on the mountain ...