Effects of rare-earth element addition on seedling growth of Dendrobium candidum Response of a rare earth tailing soil bacterial community structure to vegetation restoration Effects of La3+ on Tissue Culture of Gerbera jasmesonil ‘Sunbird’ Effect of rare-earth elements La3+ on growth of hairy roots and normal roots of Rheum palmatum and their yield of anthraquinone TECHNIQUSE AND EFFECTS OF APPLING THE RARE-EARTH TO FORESTY Effects of La3+ on Tissue Culture of Gerbera jasmesonil ‘Sunbird’ A PRELIMINARY STUDY ON INFLUENCE OF RARE-EARTH ON QUANTITY AND QUALITY OF POPULAR HYBRID SEED The Effect of Plant Growth Substances and Rare-earth Elements on the Yield of Castanea henryi STUDIES ON THE EFFECT OF RARE-EARTH ON NURSERY STOCK GROWTH IN PAULOWNIA SPP. Biological effect of agricultural application of rare earth elements on nucleic acid