Rice is the seed of the grass species Oryza glaberrima or Oryza sativa. As a cereal grain, it is the most widely consumed staple food for a large part of the world's human population, especially in Asia and Africa. It is the agricultural commodity with the third-highest worldwide production, after sugarcane and maize.

  Rice is the seed of the grass species Oryza glaberrima or Oryza sativa. As a cereal grain, it is the most widely consumed staple food for a large part of the world's human population, especially in Asia and Africa. It is the agricultural commodity with the third-highest worldwide production, after sugarcane and maize.