Antioxidant Activity of Medicine Mulberry (Morus nigra) in Xinjiang Comparative analysis on effect of Fe2+,Cu2+and Zn2+ to physiological characteristics of plant Cloning and Prokaryotic Expression of Apple MxIrt1 Gene Complexation characteristics of humic acids with Fe2+ and their fractions from soil with different fertilization Ⅱ- The complexation of humic acid fractions with Fe2+ Characteristics of complexes between iron and humic acids and the anti-oxidation and availability of chelated Fe2+ Effect of Fe2+ on Physiological Characteristics of Alfalfa Seedling under Two levels of Acidity Effect of excessive Fe2+ on root border cells in vitro of rice Effects of ferrous ion in an acid environment on early growth and physiology of Medicago sativa WL525 Effect of excessive Fe2+ on leaf cells ultrastructure of soybean Cloning and Prokaryotic Expression of Apple MxIrt1 Gene null