Nitrogen - maintain yields and improve skin thickness and fruit acidity
Potassium - maximize fruit fill and fruit size, productivity, skin quality and vitamin C content and reduce granulation and fruit splitting
Calcium - boost leaf growth and tree vigor and reduce skin disorders including fruit splitting and albedo breakdown
Magnesium - maintain fruit fill, fruit size and condition
Zinc - maintain fruit quality
Molybdenum - improve juice content, quality and provide a thicker skin
Copper - prevent fruit corking
Manganese and Boron - maintain fruit yield