The main crop of Meghalaya is

rice
barley
wheat
sugarcane

The main crop of Meghalaya is rice. It is grown in the hilly areas of the state, and is a staple food for the people of Meghalaya. Rice is grown in both wet and dry areas, and is a major source of income for the farmers of Meghalaya.

Barley is a cereal grain that is grown in temperate regions. It is used to make bread, beer, and other food products. Barley is not a major crop in Meghalaya.

Wheat is a cereal grain that is grown in temperate regions. It is used to make bread, pasta, and other food products. Wheat is not a major crop in Meghalaya.

Sugarcane is a grass that is grown in tropical and subtropical regions. It is used to make sugar, ethanol, and other products. Sugarcane is not a major crop in Meghalaya.