微生物分解作用比较弱；
对当前堆肥中微生物种群分布及其对有机物分解作用的研究进行分析，论述了分子生物技术中的变性梯度凝胶电泳（DGGE）的特点。
Studies on the distribution of microbe and their degradation of organic material in compost are presented, and the character of denaturing gradient gel electrophoresis (DGGE) method is also discussed.
微生物的分解作用，主要在中温和高温阶段进行。
The decomposition of microorganism mainly happened in the thermophilic and mesophilic stage during composting.
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