Plant Nutrient Deficiency

Is your crop suffering from nutrient deficiency? Inadequate levels of any of these essential plant nutrients can have major effects on crop growth, health and yield. Click on the links below to find out more about the importance of each of key nutrient and how to identify the causes of symptoms of deficiency.

Iron nutrient deficiency in plants

iron nutrient deficiency in tomato

Iron deficiency in tomato-  interveinal chlorosis of young leaves. Source: APS Digital Image Collections.


Taken up as ionic Fe2+ and Fe3+, Iron is central to photosynthesis and the primary Carbon capture pathway.


As part of both cytochrome and chlorophyll, Iron promotes green leaf area, cell activity and photosynthetic rate. This has a direct impact of growth rate and the movement of soluble sugars around the plant. In addition, Iron plays a vital role in plant defence and enzyme activation. Iron-rich materials are released through the root system to stimulate beneficial plant microbes and reduce pathogen activity. As a result, low iron status results in reduced tolerance to stress and infection.


Iron nutrient deficiency affects younger leaves and active growing points. Similar in appearance to Magnesium stress, but affecting new leaves. Tissue becomes severely chlorotic, displaying a uniform inter-veinal yellowing.

iron nutrient deficiency

Iron deficiency expressed as loss of chlorophyll in the interveinal areas leaving a network of small green veins. Source: APS Digital Image Collections.


Iron stress restricts the conversion of sunlight to plant energy, resulting in slow growth rates, poor development and low tolerance to both biotic and abiotic stress. Iron nutrient deficiency is often associated with alkaline soils and cold, wet growing conditions.


Check soil status and root development for compaction. Apply foliar treatments during the early stages of plant development and times of stress.



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Iron deficiency & its importance
January 21st 2021 01:58 pm

Iron plays an important role in respiratory and photosynthetic reactions. Iron deficiency occurs especially in calcareous, alkaline soils (pH higher than 8.0).  Iron deficiency will produce distinctive yellow stripes on leaves of small grains with younger leaves and tissues showing symptoms early. Fruit crops (apples, pears, grapes) will exhibit chlorotic interveinal tissues with major and minor ... Continue reading iron