A PRELIMINARY STUDY ON GENETIC CONTROL OF GROWTH TRAITS AND EARLY SELECTION OF CHINESE FIR (CUNNINGHAMIA LANCEOLATA HOOK) CLONES THE CLONING AND SEQUENCING OF THE rDNA INTERNAL TRANSCRIBED SPACER 1 REGIONS OF CHINESE FIR A STUDY ON THE TECHNOLOGY OF FINGER-JOINTED LUMBER FROM THINNING THE STRUCTURAL CHANGES OF CUNNINGHAMIA LANCEOLATA HOOK. COMMUNITY EXPOSED IN COMPOUND-POLLUTED ENVIRONMENT FOR A LONG TERM Study on Chemical Components of Petroleum Ether Fraction of Alcohol Extract from the Leaves of Cunninghamia lanceolata Hook. A STUDY ON OPTIMUM AGE AND GAIN FOR EARLY SELECTION OF SUPERIOR CLONE IN CUNNINGHAMIA LANCEOLATA HOOK