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植物缺铁现象常见于石灰性土壤,据报导,全世界可能有三分之一的土壤是石灰性的。美国至少有25个州一种或多种作物缺铁。国内京津地区、浙江、内蒙、辽宁、宁夏、河北、河南等省均有报道作物、果树发生缺铁失绿病。另外,河南许多地区发生花生缺铁比较严重,在河北省也比较常见。
Iron deficiency in plants is common in calcareous soils, and it is reported that about one third of the world’s soil is calcareous. At least 25 U.S. states have iron deficiency in one or more crops. Domestic Beijing-Tianjin region, Zhejiang, Inner Mongolia, Liaoning, Ningxia, Hebei, Henan and other provinces have reported crops, fruit trees occur iron deficiency chlorosis. In addition, peanuts in many areas of Henan iron deficiency is more serious, is also more common in Hebei Province.