Quantities of soil microbe and enzymatic activities of Phyllostachy edulis forests under different management in hilly region of central Hunan Province
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    Abstract:

    Based on plot data of shoot utilizing stands (Ⅰ),shoot and timber utilizing stands (Ⅱ) and timber utilizing (Ⅲ) of Phyllostachy edulis forests located at the hilly region of central Hunan,quantities of soil microbe,enzymatic activities and their canonical correlation analysis (CCA) were investigated in the three typical patterns of management.Results showed that bacterium was the major kind of the total soil microbe with the highest proportion of 84.51%-91.31%,followed by fungus and actinomyces with the proportion of 8.39%-14.84% and 0.17%-0.65%,respectively.Within 0-60 cm soil layers the highest quantities of bacteria,fungi and actinomycetes occurred in type Ⅰ that were 83.68×106 cfu/g,8.27×106 cfu/g and 0.26×106 cfu/g,respectively.The variable activities of soil urease,proteinase,sucrase,catalase and polyphenol oxidase were 0.008-0.027 mg/g,0.019-0.026 mg/g,1.23-2.46 mg/g,0.28-0.46 mL/g and 0.35-1.57 mg/g in soil layer of 0-60 cm,respectively.The highest activities of urease appeared in type Ⅲ.Activities of proteinase,sucrase and catalase were the highest in type Ⅱand the highest activities of polyphenol oxidase were in type Ⅰ.Through canonical correlation analysis(CCA),the canonical variable (U) was positively related with fungus number (1.264 5) and negatively related with bacteria number (-1.091 8).The canonical variable (V)was negatively related with sucrase activities (-0.876 7).

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漆良华,杜满义,范少辉,艾文胜,刘广路,孟勇. Quantities of soil microbe and enzymatic activities of Phyllostachy edulis forests under different management in hilly region of central Hunan Province[J]. Jorunal of Huazhong Agricultural University,2013,32(2):25-29.

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