植物的铁素营养及缺铁症的防治（综述）

土壤铁素由于有效性差，因而植物铁素营养失调现象是一个非常普遍的植物营养问题，本文对植物铁素营养的研究进展进行了述评，并对植物缺铁失绿的原因，缺铁症的诊断和适量矫正等进行了综述。

Review on Iron Nutrition and Control of Iron Deficiency in plants

Iron is the first essential microelement for all higher plants which was detected by Griss in1843.It is used for chlorophyll formation as well as the functioning of various iron-containingenzymes in higher plants. Although abundant in most soils,most of these iron is not available fOrplant uptake.So,iron chlorosis is a world wide problem.The recent progress in study on iron nu-trition is reviewed in this paper.The causative factors, diagnostic practices and control measuresof iron deficiency in plants are also summarized.