The potato is the third most important food crop in the world after rice and wheat in terms of human consumption. More than a billion people worldwide eat potato, and global total crop production exceeds 300 million metric tons. There are more than 4,000 varieties of native potatoes, mostly found in the Andes.

Sugarcane is a most important cash crop of India. It involves less risk and farmers are assured up to some extent about return even in adverse condition.

Rice (Oryza sativa is the most important cereal crop in the developing world and is the staple food of over half the world’s population. It is generally considered a semi-aquatic annual grass plant.