The Terai is the most productive region in Nepal with the majority of the country's industries. Agriculture is the basis of the economy.  Major crops include rice , wheat , pulses , sugarcane , jute , tobacco , and maize . In the eastern districts from Parsa to Jhapa agro-based industries are supported including: jute factories, sugar mills, rice mills and tobacco factories. [ citation needed ] The Terai is also known for beekeeping and honey production, with about 120,000 colonies of Apis cerana .