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Primary Analyses of Regeneration Communities on the Cutting Blanks of Tropical Mountain Rain Forest on the Jianfengling Ridge’ Hainan Island Effects of tree ages and geographic area on quality of bark of Magnolia officinalis and M. officinalis var. biloba Comparison of annual returned carbon content of litters and annual carbon emission of the rubber trees of different ages Spatial Distribution of Arbuscular Mycorrhizal Fungi and Its Relationship with Soil Factors in the Rhizosphere of Robinia pseudoacacia at Different Ages Influence of Age on Chemical Components,Fiber Morphology and Pulping Properties of Broussonetia papyrifera Bark Spatial pattern of root systems of dense jujube plantation with jujube age in the semiarid loess hilly region of China Changs laws of nutrient elements, veins density, physiological index in Camellia oleifera leaves with different tree ages and their correlation with yield Chemical Compositions and Pulping Properties of Larix kaempferi Studies on relationship between growth of Lonicerae japonica and their quality of crude drug at different tree ages Determination of terpene lactones in Ginkgo biloba leaves in different ages by UPLC-TQ-MS Root system spatial distribution of different aged Armeniaca vulgaris cv. Luntaibaixing in arid oasis under irrigation. Effects of Tfree Age,Felling system on the sprout Regeneration of Acacia auriculitormis THE EFFECTS OF AGE AND MULTIPLOIDY ON FIBER CHARACTERISTICS IN ACACIA MAGIUM Variation in Wood Bending Properties of Exotic Loblolly Pine Provenances for Building Lumber and Their Relationships to Tree Age, Tree Growth and Wood Density Salty Ion Distributions in Different Organs of Lycium barbarum L.at Different Ages under Salt Stress