NUTRIENT
DEFICIENCIES

Diagram

Nutrient

Symptom location

Chlorosis

Leaf margin necrosis

Leaf color, shape

Nitrogen

All leaves

Yes

No

Yellowing of leaves, leaf veins

Nutrient: Nitrogen

Symptom location: All leaves

Chlorosis: Yes

Leaf margin necrosis: No

Leaf color, shape: Yellowing of leaves, leaf veins

Phosphorus

Older leaves

No

No

Purplish patches

Nutrient: Phosphorus

Symptom location: Older leaves

Chlorosis: No

Leaf margin necrosis: No

Leaf color, shape: Purplish patches

Potassium

Older leaves

Yes

Yes

Yellow patches

Nutrient: Potassium

Symptom location: Older leaves

Chlorosis: Yes

Leaf margin necrosis: Yes

Leaf color, shape: Yellow patches

Magnesium

Older leaves

Yes

No

Yellow patch or interveinal chlorosis

Nutrient: Magnesium

Symptom location: Older leaves

Chlorosis: Yes

Leaf margin necrosis: No

Leaf color, shape: Yellow patch or interveinal chlorosis

Sulfur

Young leaves

Yes

No

Yellow patches

Nutrient: Sulfur

Symptom location: Young leaves

Chlorosis: Yes

Leaf margin necrosis: No

Leaf color, shape: Yellow patches

Mn & Iron

Young leaves

Yes

No

Interveinal chlorosis

Nutrient: Mn & Iron

Symptom location: Young leaves

Chlorosis: Yes

Leaf margin necrosis: No

Leaf color, shape: Interveinal chlorosis

B, Zn & Mo

Young leaves

--

--

Deformed leaves

Nutrient: B, Zn & Mo

Symptom location: Young leaves

Chlorosis: --

Leaf margin necrosis: --

Leaf color, shape: Deformed leaves

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