[Analysis of bacterial communities in vegetable and straw wastes composting by Biolog method].
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Bacterial communities were analyzed using Biolog method in agricultural waste composting. The results of cluster analysis and principle component analysis indicated that bacterial communities varied greatly during the first stage of composting, while began to stabilize during the second stage. Bacteria that could utilize the first and second kinds of carbon sources on Biolog plate were found to be the dominant ones during composting, which were also believed to be related with lignocellulose degradation. Thermophilic bacteria were believed to be able to metabolize the fourth and sixth kinds of carbon sources on Biolog plate. Thereinto, the fourth kinds of carbon sources were also connected with lignocellulose transformation. The bacteria utilizing the sixth kinds of carbon sources were just able to metabolize some simpler organic matters.
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