Zinc
Zinc
Deficiency Symptoms

Leaf blade thickens leaf shape is distorted leaf margin up or down the tip may curve back interveinal areas leaves are usually smaller thickened leaf blade brittle spaced leaves show a rosette appearance.  Some twigs die back flower panicles of trees showing little leaf symptoms are usually small irregular in shape drooping spikes.

Correction Measure

Soil application of ZnSO4 10 kg/ha or foliar spray of ZnSO4 0.5% or nitrozinc at
150 ml /100litres of water.