Thar Desert are good as fencing material. Its roots also encourage "nitrogen" fixation, which produces higher crop yields. "Tecomella undulata" is one more tree species, locally known as Rohida, which is found in Thar Desert regions of northwest and western India. It is another important medium-sized tree of great use in Agroforestry, that produces quality timber and is the main source of timber amongst the indigenous tree species of desert regions. The trade name of the tree species is Desert teak or Marwar teak. "Tecomella undulata" is mainly used as a source of timber. Its wood is strong, tough and durable. It
Thar Desert and Madrajangala provinces. The Desert National Park in Jaisalmer district has a collection of animal fossils and plants 180 million years old. The Thar is one of the most heavily populated desert areas in the world with the main occupations of its inhabitants agriculture and animal husbandry. Agriculture is not a dependable proposition in this area because after the rainy season, at least one third of crops fail. Animal husbandry, trees and grasses, intercropped with vegetables or fruit trees, is the most viable model for arid, drought-prone regions. The region faces frequent droughts. Overgrazing due to high animal populations, wind