Li Liangliang , Li Tianlai , Zang Jian , Chen Bin , Liu Wene , Wu Zhengchao . The Effect of Biochar on Soil Enzyme Activity，Microbial Community Structure and Soil Nutrient Content in the Soil Amended with Cinnamic Acid[J]. Acta Agriculturae Boreali-Sinica, 2013 , 28(3) : 210 -216 . DOI: 10.3969/j.issn.1000-7091.2013.03.038

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