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山东林学会造林专业委员会与山东农学院林学系,五月八日至十一日在泰安联合举办了“树木插条繁殖的理论与技术”
Shandong Forest Society Afforestation Professional Committee and Shandong Agricultural College Forestry Department, May 8 to 11 in Taian jointly organized the “tree cutting theory and technology”