Factor analysis of productivity is an important method in comparing and evaluating the productive potentiality and management level of bamboo species. This study discussed the relationship between factors such as economic index, number of standing culms, leaf area index, habitat quality and growth levels. It was found that: (1) Economic index(Ⅰ) was equivalent to the quotient of the annual economical output(E)and the annual stand biomass (B), i. e. I=E/B. Under the same site and managing conditions, the uni...
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