The effects of long-time exposure of Zn2+ on the feeding behavior of English green aphid Genotypic difference in Zn- uptake and translocation at rice seedlings under different Zn2+ activity AUeviatory Effect of Exogenous Glutathione (GSH) on Hydrocharis dubia Toxicated by Zn2+ Effects of Zn2+ concentration on population growth parameters of Brachionus calyciflorus under different Scenedesmus obliquus densities Partitioning and Accumulation of Zinc in Rice under Different Zn2+ Activities Comparative analysis on effect of Fe2+,Cu2+and Zn2+ to physiological characteristics of plant Genotypic difference in rice yield and zinc partitioning in rice grain response to different Zn<sup>2+</sup> activities Inhibition Effect of Zn2+ on Cytosolic Pyruvate Kinase in Passiflora edulis Leaves