rice or opium, depends what you mean by "popular"
The main crop in India is Rice followed by Wheat and Maize(Corn)
rice
Rice is the major food crop in India.
there are 5 categories of crop plant in India
Rice is the main crop of Bhutan.
Venezuela's main crop is corn.
The main crop of Virginia was tobacco. This was mainly grown in Jamestown and served as the main cash crop in the colony.
The main crop grown in Australia is wheat.
Maize is the main food crop and tobacco is the main cash crop
tobacco was the main crop in the Chesapeake.
what was the main crop the pilgrims planted