Magnesium deficiencies: 

Marginal Chlorosis at inverted V, particularly evident for older leaves - Stunted growth.
Remedy Usage of specific products - Access to the link

Calcium deficiencies: 

New leaves with Chlorosis - Marginal necrosis - Deformations - Tissue collapse and loss of fruit firmness -  Bitter Pit in fruits

Remedy Usage of specific products - Access to the link

 

Sulphur deficiencies: 

Pale colour or whitish green - Reduced or stunted growth - General yellowing of young leaves.

Remedy Usage of specific products - Access to the link