In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Olive trees-olives
If you see yourself in a field with olive trees full of olives, you will enjoy progress at work and financially. If the trees are dry and without olives then you will have financial problems.