PHARMACOGNOSTICAL STUDY AND DETERMINATION OF COMMON METAL ELEMENTS ON THE ROOTS OF TONGOLOA SILAIFOLIA(DE BOISS)WOLFF Accumulation and Dynamic of Heavy Metal Elements in Rhizophora stylosa Community at Yingluo Bay in Guangxi Physiological Research on Changes of Metal Elements During the Fruits Development of Lemon Shaddock Biological Cycles of Mineral Elements in a Young Mixed Stand in Abandoned Mining Soils Effect of cadmium stress on root vigor and accumulation of elements  Ca, Mg, Mn, Zn, Fe in Salix variegate. Determination on residues of several heavy metal elements in Panax notoginseng and its cultivating soil Impacts of leaf fertilizer application on taxol and 10-DAB contents in the needles of cultivated Taxus chinensis var. mairei Determination of seven harmful metal elements in six kinds of Mongolian drug by microwave digestion ICP-AES Soil physical and chemical properties of the wasteland in Xiangtan manganese mine Formation of iron plaque on root surface and its effect on plant nutrition and ecological environment Analyse of metal element in Pyrus xerophila A Comparision Between the Quality of Wild and Cultivated Radix of Tuber Fleeceflower (Polygonum multiflorum) Tissue Distribution of 6 Kinds of Transport Heavy Metal Pollutants in Platanus hispanica Leaves and Annual Branches Effect of modification treatments on behaviour of heavy metals in combined polluted soil Physiological Research on Changes of Metal Elements During the Fruits Development of Lemon Shaddock Effects of Cadmium on Photosynthesis and Chlorophyll Fluorescence Parameters of Solution Cultured Poplar Plants Absorption and Accumulation of Metal Elements in Pogonatum neesii (C. Muell.) Dozy at Lateritic Gold Deposit in Southwest Guizhou Effect of Application of City Sludge on Elements Contents in Smooth Brome and Soil Analysis on characteristics of phytogeochemistry of Elsholtzia haichowensis in Daye Tonglushan copper mine Metal element contents of Tsuga chinensis var. tchekiangensis in different community types and its relationship with soil nutrient factors in eastern China Community characteristics and distribution of metal elements in mangroves in Futian of Shenzhen, China