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Fertilization Programs
Diagram
Nutrient
Symptom location
Chlorosis
Leaf margin necrosis
Leaf color, shape
Nitrogen
All leaves
Yes
No
Yellowing of leaves, leaf veins
Phosphorus
Older leaves
No
No
Purplish patches
Potassium
Older leaves
Yes
Yes
Yellow patches
Magnesium
Older leaves
Yes
No
Yellow patch or interveinal chlorosis
Sulfur
Young leaves
Yes
No
Yellow patches
Mn & Iron
Young leaves
Yes
No
Interveinal chlorosis
B, Zn & Mo
Young leaves
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Deformed leaves
Diagrammatic representation of common important nutrient deficiencies in plants
