One of the oldest fruitful tree which has been grown by mankind is perhaps walnut. If it is looked at history, the history of walnut dates back to 7000 B.C. As a walnut structure, the fruit belonging to the walnut family is known as the fruit. However, it is known that there are many different types of walnuts produced throughout the world. It is more commonly known as a tree that grows in the summer and leaves its leaves in winter.