Citrus and Subtropical Crops
Mineral Nutrition Disorders

Nitrogen deficiency

Nitrogen deficiency is seen in its most severe form in the leaf to the far leaf of this picture. The overall chlorosis is indicative of the deficiency in various stages from left to right.

Nitrogen deficiency

Nitrogen deficiency in citrus also manifests itself as yellow vein chlorosis. The leaves will appear pale, but the most chlorotic portions are in the veins, since uptake of N is obviously limited.

Nitrogen deficiency

The leaves on the top are normal and the leaves on the bottom are deficient in nitrogen. These leaves are in the senescent stage.

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