CHEMICAL ELEMENT CONCENTRATIONS OF TROPICAL PLANT LEAVES IN HAINAN PROVINCE Effects of elevated CO2 and nitrogen deposition on leaf nutrient quality of Fargesia rufa Yi Study on the Contents of Chemical Elements in Different Plants of Natural Grassland Reserve of Wutai Mountain Chemical Element Concentration in Calcite, Calcareous Soil and Plants on the Rocky Desertification Area in Huaxi, Guiyang Geochemical evolution processes of soil major elements in the forest-dominated Jinshui River Basin, the upper Hanjiang River Relationship between Boron Deficiency Occurrence and Annual Changes inContents of Boron and Sugar of Newhall Navel Orange Nourishing characteristic of geochemical elements in Antarctic mosses and lichens Relationship between pomegranate quality and geochemical element characteristics in rock and soil in mountain area of Yuanshi County Relationships between agricultural ecology and chemical elements in soil THE CHARACTERISTICS OF INORGANIC CHEMICAL ELEMENTS IN DROSOPHILA SPPAND THEIR FOOD IN TROPICAL VALLEY RAIN-FOREST OF XISHUANGBANNA Relationship between Boron Deficiency Occurrence and Annual Changes inContents of Boron and Sugar of Newhall Navel Orange Transfering feature of geochemical elements on the vertical section of moss in Antarctic A STUDY ON THE STEMFLOW OF THE DECIDUOUS BROAD LEAVED MIXED FOREST IN THE WARM TEMPERATE ZONE OF NORTHERN CHINA STUDY ON THE BIOLOGICAL ACCUMULATIONS OF ELEVEN CHEMICAL ELEMENTS IN THE MOUNTAIN MEADOW NATURAL RESERVE IN MT .WUTAL The distribution and abundance of chemical elements in different parts of Navel orange in Fengjie County, China