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杨江科, 周琴, 周俊初. pH对土壤中土著快、慢生大豆根瘤菌结瘤的影响[J]. 应用生态学报, 2001, 12(4): 639-640.
YANG Jiangke, ZHOU Qin, ZHOU Junchu . Effect of pH on nodulation of soybean rhizobia from Weifang and Huayuankou soils[J]. Chinese Journal of Applied Ecology, 2001, 12(4): 639-640.