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赵秀云;韩素芬
Isolation, Selection and Identification of Nitrogen Fixing Bacteria in Poplar Rhizosphere
Zhao Xiuyun\ Han Sufen
南京林业大学学报(自然科学版) . 2000, (03): 17 -20 .  DOI: 10.3969/j.jssn.1000-2006.2000.03.005