What is the staple crop of our country? How many varieties are there? What is India's contribution to the world? Where is it grown in India?

Explanation

Rice is the staple crop of the country. Rice is a tropical crop and has about 3,000 varieties that are grown in different agro-climatic regions from sea level to about 2,000 m altitude and from humid areas in eastern India to dry but irrigated areas of the west. In southern states and West Bengal two to three crops of rice in an agricultural year. In West Bengal farmers grow three crops of rice called .aus., .aman. and .boro..
India contributes 21.6 per cent of rice production in the world and ranked second after China (2008-09). West Bengal, Punjab and Uttar Pradesh were the leading rice producing states in the country in 2009-10. The yield level of rice is high in Punjab, Tamil Nadu, Haryana, Andhra Pradesh, West Bengal and Kerala. The yield of this crop is very low in rainfed areas of M.P., Chhattisgarh and Odisha.