These three countries are all in Southeast Asia and located in the tropics. Most areas have a tropical monsoon climate with fertile soil. Rice is the main food crop with a long planting history.

3. China, India, Indonesia, Thailand, Philippines, Brazil, Japan, etc. Ranked among the largest rice producers in the world. The rice output is 20 16/ 1465000 tons, 165000 tons, 3660000 tons and 17 tons.