Populus davidiana 第1页

A Study on the Site Index and Biomass of A Populus davidiana Plantation in Western Henan A NEW FORMA OF POPULUS LINN. FROM NORTHEAST CHINA Effects of Trichoderma asperellum on the Physical and Chemical Properties and Nutrient Components of the Pot Coil Culturing Tissue-cultured Populus davidiana×P.bolleana Seedlings STUDY ON PLANT DIVERSITY OF BETULA PLATYPHYLLA AND POPULUS DAVIDIANA FORESTS IN FOREST-STEPPE ECOTONE Study on crossing breeding of Populus davidiana and P. tremuloides PRELIMINARY STUDIES ON THE POPULUS DAVIDIANA FORESTS IN QINLING MOUNTAINS AND LOESS PLATEAU OF NORTHERN SHAANXI PROVINCE Litter decomposition processes in the pure birch (Betula platyphlla) forest and the birch and po;lar (Populus davidiana) mixed forest A STUDY ON CHANGE OF STRUCTURE OF COLLAPSED POPULUS DAVIDIANA SMALL-DIAMETER TIMBER AND MECHANISM OF COLLAPSE HYDROLOGICAL AND WATER CONSERVATIVE FUNCTION OF LITTERFALL IN THE STANDS OF POPULUS DAVIDIANA Rooting and Transplanting Method of Populus davidiana×P.bolleana Tissue Culture Seedlings SRAP Analysis on the Effect of Geographic Isolation on Population Genetic Structure of Populus davidiana in Tibetan-inhabited Regions in Southwest China Testing Damage Process of David Poplar under the Dynamic Loads Based on Acoustic Emission Technique The Seed Bank in Logging Gaps in Populus davidiana Betula platyphylla Secondary Forests in Changbai Mountain Biomass and carbon fixation ability of typical larch- poplar and betula mixed forest in Mulanweichang Community characteristics of main vegetation types along two altitudinal transects on mountains of northwestern Beijing, China Density-Dependent Sex Ratios for Dioecious Tree Species Populus davidiana and Fraxinus mandshurica Root biomass and underground C and N storage of primitive Korean pine and broad-leaved climax forest in Changbai Mountains at its different succession stages Study on sap flow in forest of Quercus liaotungensis and Populus davidiana by using the TDP method Study on Wood Quality Characteristics of Populus davidiana and Its Variation of Intra-tree Study on Populational Variation Tendency and Genetic Variation of Wood Quality of lnter-tree of Populus davidiana Sexual differences in climatic response of dioecious Populus davidiana tree. Wholetree sap flow of Quercus liaotungensis and Populus davidiana in response to environmental factors in the loess plateau area of western Shanxi Province, northern China. Spatial Distribution Pattern of Populus davidiana and Betula platyphylla Populations in a Typical Natural Secondary Forest in Rocky Mountain Area of Northern Hebei Dynamics Modeling of Stand Density Effects of Populus davidiana Forest Chemical constituents in Populus davidiana A new phenolic glycoside from Populus davidiana