Mango (Mangifera indica L.) belonging to Family Anacardiaceae is the most important commercially grown fruit crop. It is called the king of fruits. It also has medicinal use. Moreover, mango is well adapted to tropical and sub-tropical climates. It also is a source of vitamins A & C.
Mango is one of the important tropical crops and occupies the third rank in the trade in Egypt after citrus and grapes. Among the most influential nutrients in productivity and quality of mango crop is potassium where plays an important role in: -
Phosphorus plays a vital role in mango trees productivity. Phosphorus contributes to:
Calcium plays an important and vital role in mango yield through:
Potassium deficiency symptoms on mango trees appear in the form of burning the edges of leaves and color brown with a general weakness in plant growth and Symptoms also appear in:
Phosphorus deficiency symptoms appear as general pallor on leaves and burning of edges of the leaves as the leaves take dark green color and then brown color and then dry the leaves also from the effects of the shortage: -
Calcium deficiency Symptoms on mango show the curvature of the branches and leaves in form of hooks, dryness and death of terminal buds of the trees and also the symptoms of deficiency: -