This study was conducted on the analytic tree and got the fitting empirical equation of tree growth, in which the tree increment was used as the variable and time as the independent variable. The arithmetical operation to the function gave the mature age of tree growth, and the practical mature age of Pinus thunbergii×P. densiflora was 41 a. In addition, the application as well as the research direction and matters needing attention were proposed.
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机译：This study was conducted on the analytic tree and got the fitting empirical equation of tree growth, in which the tree increment was used as the variable and time as the independent variable. The arithmetical operation to the function gave the mature age of tree growth, and the practical mature age of Pinus thunbergii×P. densiflora was 41 a. In addition, the application as well as the research direction and matters needing attention were proposed.
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