Desert greening desiccating winds and the invasion of sand. The Rajasthan Canal system in India is the major irrigation scheme of the Thar Desert and is intended to reclaim it and to check spreading of the desert to fertile areas. Prevention of shifting sand dunes is accomplished through plantations of "Acacia tortilis" near Laxmangarh town. There are few local tree species suitable for planting in the desert region and these are slow growing. The introduction of exotic tree species in the desert for plantation has become necessary. Many species of Eucalyptus, Acacia, Cassia and other genera from Israel, Australia, US, Russia, Zimbabwe,
Thar Desert forest area of 31150 km. which is about 9% of the geographical area. The forest area is mainly in southern districts of Rajasthan like Udaipur and Chittorgarh. The minimum forest area is in Churu district only 80 km. Thus the forest is insufficient to fulfill the needs of firewood and grazing in desert districts. This diverts the much needed cattledung from the field to the hearth. This in turn results into the decrease in agricultural production. Agroforestry model is best suited to the people of desert. Some Institutes have done good work in Agroforestry. The scientists of Central Arid Zone