Characteristics of nitrogen accumulation,distribution and translocation in winter wheat on dryland Progress of molecular mechanism of iron uptake and translocation in plants Effect of different phosphorus levels on phosphorus nutrient uptake, transformation and phosphorus utilization efficiency of oil flax Effect on the photosynthetic characteristics of Cd uptake and translocation in seedlings of two Helianthus tuberosus varieties Progress in studying physiology and molecular biology of arsenic in plants—Uptake, translocation and tolerance in the soilrhizosphereplant system Effects of phosphate and organic matter applications on arsenic uptake by and translocation in Isatis indigotica