IRON
is important plant nutrient.
In soils rich in carbonates and lime and where the pH is high, iron deficiency can occur because it is blocked in the soil and inaccessible to the plant.
The primary symptom of iron deficiency is interveinal chlorosis, the development of a yellow leaf with a network of dark green veins..
Terarossa Ferro is required for chlorophyll synthesis (it gives plants their green color), nitrite and sulfate reduction, nitrogen assimilation, electron tansport, etc.