油松是关山林区的引进树种,几年来经过培育表现较好,比当地的华山松、白皮松生长快,长势旺盛,抗旱,抗病,耐瘠薄,颇受群众欢迎。 为了落实毛主席“有了优良品种,即不增加劳动力、肥料,也可获得较多的收成” Pinus tabulaeformis is the introduction of species in Guanshan Forest Region. After several years of cultivation, it has performed well. It grows faster than the native Huashan pine and Pinus bungeana and grows vigorously. It is popular among the public for drought resistance, disease resistance and barrenness. In order to implement Chairman Mao’s “excellent varieties, that is, without increasing labor, fertilizer, but also get more harvest”