JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 1996, Vol. 20 ›› Issue (01): 17-21.doi: 10.3969/j.jssn.1000-2006.1996.01.005
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Zhang Jinchi Lu Yishan Kang Lixin(Nanjing Forestry University Nanjing 210037) (Forestry Research Institute of Jiangsu)Jin Haihua Zhou Kemei