Based on the research progress in iron untrition of plant, the mechanism of iron uptake and transport by plant and the effect of HCO(superscript - subscript 3), N, P on iron use efficiency were discussed.

• 摘要根据植物铁营养的一些研究进展，论述了植物对铁的吸收和运输机理以及HCO(上标-下标3)、N、P等因素对铁利用效率的影响。