Copper deficiency vs. optimum-Tomato

Symptoms
Affected plants look less vigorous; they have less foliage with reduced leaf blade. Intercostal leaf areas may become pale green with whitish to yellow-brown necrosis. Flowering is poor.

Reasons
Copper deficiency (left). Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.