The dependence of half of the world's population on rice as the main food is indicates its importance. Rice is one of the most widely used agricultural products in the human diet. It is one of the most important seeds that can be traced back to East Asia. Of course, today East Asia is one of the largest producers of rice in the world trade, and according to statistics, usually about 50% of world rice is produced in China and India. Of course, it is worth mentioning that Iranian rice is also cultivated and produced in different regions, which has its own proponents; however, the import of rice to Iran is still favorable and in demand.
Like wheat, rice is a rich source of carbohydrates. In addition it is rich in sources such as sugars, fats and proteins. Also rice will contain other substances such as B-type proteins, calcium, iron, manganese and phosphorus. Iran's foreign rice suppliers are countries such as India, Thailand, Pakistan, Vietnam, Argentina and Uruguay