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Research on Soil Microbe and the Relativity between Microbe and Soil Chemical Factor of Mangrove Forest in South China

  • Received Date: 2007-12-12
  • The relation between microbial amount of mangrove soil and main soil chemical factors,and the distributing of phosphate-solubilizing microbe from mangrove rhizosphere in Shenzhen,Longhai and Haikou were studied.The results indicated that the amount of soil bacteria accounted for the majority of the total amount of soil microbes,while the amounts of soil actinomyces and filamentous fungi were in the minority.The total quantity of microbes,bacteria,actinomyces and filamentous fungi from Shenzhen mangrove soil were more than that on the other two places,while the quantity of filamentous fungi were greater than that on the other two places(P<0.05).The total microbe and the quantity of bacteria showed an extremly remarkable positive correlation with soil total nitrogen and total phosphorus(P<0.01),and the quantity of fungi was also remarkable positive correlated with soil total phosphorus(P<0.05).The multiple regression analysis indicated that total nitrogen played an important role of the quantity of total microbe and bacteria,and the total phosphorus played an important role of the quantity of actinomyces and fungi.31 phosphate-solubilizing microbe were selected from different part of mangrove rhizophere,in which bacteria were in the majority.The quantity of phosphate-solubilizing microbe in soil was more than that of the other two parts of mangrove rhizosphere.
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Research on Soil Microbe and the Relativity between Microbe and Soil Chemical Factor of Mangrove Forest in South China

  • 1. Research Institute of Tropical Forestry,CAF,Guangzhou 510520,Guangdong,China
  • 2. College of Forestry,Guangxi University,Nanning 530004,Guangxi,China

Abstract: The relation between microbial amount of mangrove soil and main soil chemical factors,and the distributing of phosphate-solubilizing microbe from mangrove rhizosphere in Shenzhen,Longhai and Haikou were studied.The results indicated that the amount of soil bacteria accounted for the majority of the total amount of soil microbes,while the amounts of soil actinomyces and filamentous fungi were in the minority.The total quantity of microbes,bacteria,actinomyces and filamentous fungi from Shenzhen mangrove soil were more than that on the other two places,while the quantity of filamentous fungi were greater than that on the other two places(P<0.05).The total microbe and the quantity of bacteria showed an extremly remarkable positive correlation with soil total nitrogen and total phosphorus(P<0.01),and the quantity of fungi was also remarkable positive correlated with soil total phosphorus(P<0.05).The multiple regression analysis indicated that total nitrogen played an important role of the quantity of total microbe and bacteria,and the total phosphorus played an important role of the quantity of actinomyces and fungi.31 phosphate-solubilizing microbe were selected from different part of mangrove rhizophere,in which bacteria were in the majority.The quantity of phosphate-solubilizing microbe in soil was more than that of the other two parts of mangrove rhizosphere.

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