The forest of China degenerates seriously. The reforestation and rebuilding of the forest become more important. Soil microorganism is very important fact of the reforestation and rebuilding of the forest ecosystem, and also is one of significant assessment index. Up today, the study of soil microorganism of forest in different reforestation stage and their function have not been reported. To study soil microorganism of the evergreen broad-leaved forest in different reforestation stage in western Sichuan an...