House & Garden Growers Journal 2017 May 2017 | Page 47

Calcium (Ca)
New leaves misshapen or
stunted. Existing leaves
remain green.
Sulphur (S)
Leaves light green.
Veins pale green.
No spots.
Manganese (Mn)
Leaves pale in colour.
Veins and venules dark
green and reticulated.
Phosphorus (P)
Plant short and dark
green. In extreme
deficiencies turn brown
or black. Bronze colour
under the leaf.
Nitrogen (N)
Stunted growth. Extremely
pale colour. Upright leaves
with light green/yellowish.
Appear burnt in extreme
deficiency.
Iron (FE)
Chlorosis of leaves pale. No
spots. Major veins green.
Magnesium (Mg)
Paleness from leaf edges.
Bronze or brown spots with
cup shaped folds.
Potassium (K)
Small spots on the tips,
edges of pale leaves. Spots
turn rusty. Folds at tips.
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