Variation of Wood Basic Density and Fiber Length of Provenances of Four Eucalyptus Species Variation in Growth and Wood Property and the Structure Differentiation of Schima superba Plantation with Different Sites, Stand Densities and Ages Genetic Analysis of Resin-producing Capability, Growth and Wood Basic Density on Progeny of Nested Mating Design of Pinus massoniana STUDY ON PLANTING DENSITY AFFECTING OF THE WOOD PROPERTIES OF MASSON PINE Growth and Wood Density of 25-year-old Masson‘s Pine: Inter-family Variation and Selection VARIATION OF GROWTH RING WIDTH AND WOOD BASIC DENSITY OF RUBBERTREE AND THEIR MODELLING EQUATIONS PRELIMINARY STUDY ON WOOD PROPERTIES VARIATION OF LOBLOLLY PINE Geographical Provenance Variation of Growth and Wood Basic Density of 7-Year-Old Schima superba and Its Provenance Selection Variation of Ring Width and Wood Basic Density and Early Selection of Pinus massoniana Provenances Wood Basic Density and Chemical Components in Intensive Short-Rotation Pulpwood Plantations of Triploid Hybrids of Populus tomentosa The Within-tree Variation of Wood Basic Density of Loblolly Pine Study on the Variation of Wood Basic Densities of Chinese Fir Growth and Wood Basic Density of Schima superba Plantation Genetic Analysis of Growth and Wood Density of Progeny of Nested Mating Pinus massoniana Estimation of Heritability and Combining Ability for Growth, Stem-Straightness and Wood Density of the F1 Generation of Pinus taeda×P. caribaea Initial Stand Density and Provenance Effects on the Growth and Wood Basic Density of Masson Pine Study on the Genetic Variance of Wood Basic Density and Fiber Properties of Poplar Hybrids Genetic Variation in Basic Wood Properties of 36 Clones of Populus deltoides STUDY ON INHERITANCE AND VARIATION OF WOOD BASIC DENSITY OF POPULUS TOMENTOSA Carr. CLONES Provenance Variation in Growth, Stem-Form and Wood Density of Masson Pine at 24-Year-Old and the Provenance Division