Iron

Deficiency Symptoms

Iron deficiency of soybeans occurs on some soils when the pH is high. Frequently it is on soils which contain considerable quantities of free lime. With Fe deficiency, the whole leaf including the veins turns yellow. Interveinal areas turn chlorotic first then the veins become chlorotic and finally, under severe Fe deficiency, the leaves turn almost white.

Foliar spray of FeSO4 1% at fortnightly intervals or soil application of FeSO4 5 to 10 kg/ha