Can you use foliar application to correct iron chlorosis?
What about iron chlorosis in soybean? High soil pH soil conditions, along with free lime – calcareous soils of the north central region of Iowa (the central lobe) can result in low iron availability to soybean and development of iron chlorosis. The most commonly suggested, and best but not always successful way to deal with iron chlorosis is variety selection. Foliar iron application can be beneficial due to the low amount of iron required by soybean, but typically applications must be made at initial development of the symptoms, multiple applications are often needed, and the yield increase is usually not as good as with use of varietal resistance, says Sawyer. Iron chlorosis development, and iron availability in the soil and within the plant is quite complex, which makes successful management with foliar fertilization difficult. What about manganese-glyphosate interactions in soybean, and response to foliar manganese? In areas of the Midwest where manganese deficiency develops in soy
