Explanation:

 The total cultivated area of the state encompasses about 20 million hectares and out of this only 20% of the land is irrigated. Ground water level is available only at a depth of 30 to 61m. Rajasthan farmers have to depend on different sources of irrigation that include tube wells, wells and tanks. The Rabi crops are winter crops and are sown in the months of October and November and are harvested in the months of March and April. The principal Rabi crops are Barley, Wheat, Gram, Pulses and Oil Seeds. The major oil seeds are Rape and Mustard.

The Kharif crops are the crops that are grown in the summer season and are seeded in the months of June and July. These crops are harvested in the months of September and October and include Bajra, Pulses, Jowar, Maize and Ground Nuts.