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两种测定风化煤与土壤腐殖酸含量方法的比较
曹 鹏,李 华,李永青,尹建平
Comparison of Two Kinds of Methods on Humic Acids in Weathered Coal and Soils
Cao Peng, Li Hua, Bi Rutian
中国农学通报 . 2007, (1): 277 -277 .  DOI: 10.11924/j.issn.1000-6850.0701277