Soybean Fertility

Iron Deficiency and Management Iron deficiency is identified as iron deficiency chlorosis and symptoms will show yellowing between the leaf veins. This deficiency is common in the Upper Midwest and occurs in calcareous soils with high soil pH. The yellowing occurs on new growth because the nutrient is not mobile within the plant. This nutrient deficiency is hard to correct because the soil binds any additional iron, and too high of a rate can become toxic to the plant.

Last Update: 2/20/06

Copyright 2003-2008. Palle Pedersen, Iowa State University Extension.
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