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Iron

Symptoms of Iron Deficiency

  • Young leaves will show interveinal chlorosis with green veins
  • Stunted growth
  • Yellowing of leaves (margins  and tips can scorch) will  appear later in season
  • Reduced yield and quantity 

Function

  • Key role in photosynthesis
  • Chlorophyll development  and function
  • Plays a role in energy transfer
  • Important for the structure of proteins and enzymes 
  • Iron increase Nitrogen fixation and use

Treatment Options

Apply Iron onto crops grown on high pH or heavily limed soils; crops grown on poorly drained and/or aerated soils; crops grown on sandy soils with a low CEC or soils with high levels of Cu. Soils with low availability of K especially when associated with high K levels are prone to develop Fe deficiency. When high Nitrate Nitrogen (N-NO3- ) is used or present in the soil, Fe deficiency may develop.