Magnesium

Deficiency Symptoms :

1. Necrotic areas in interveinal region near leaf margin. These areas merge quickly leading to continuous marginal necrosis of older leaves
   
   
2. Prominent bright yellow zone in advanced necrotic areas and islands of necrotic tissue also appear in later stages
   
   
3. naffected areas of the leaf pale green than usual and develops oak leaf like pattern.
   
   

1. Apply Dolomite @ 100 g/plant/year from the third year onwards