Effects of uranium tailings on growth and physiological characteristics of Brassica seedlings Accumulation and Distribution of Uranium in Wheat Seedling and the Effects of Uranium on the Photosystem Activities Response of Plants to High Concentrations of Uranium Stress and the Screening of Remediation Plants Influence of Three Nuclides upon Seed and Bud Mortality of Plants Effects of Uranium Tailings Stress on Chlorophyll Contents and Protective Enzymes in Rice and Wheat Seedlings Comparative Study on the Growth and Uranium Enrichment in Different Grasses Uranium Uptake and Accumulation in Plants on Soils Effects of Uranium on Photosynthesis of Spinach Leaves Effects of Phosphorus on Growth and Uptake of Heavy Metals in Plants Grown in the Soil Contaminated by uranium Tailing