Geography of India of the world's most intensely farmed areas. The main crops grown are rice and wheat, which are grown in rotation. Other important crops grown in the region include maize, sugarcane and cotton. The Indo-Gangetic plains rank among the world's most densely populated areas. The Thar Desert (also known as "the deserts") is by some calculations the world's seventh largest desert, by some others the tenth. It forms a significant portion of western India and covers an area of . The desert continues into Pakistan as the Cholistan Desert. Most of the Thar Desert is situated in Rajasthan, covering 61% of
Desert greening Chile, Peru, and Sudan have been tried in the Thar Desert. "Acacia tortilis" has proved to be the most promising species for desert greening. The jojoba is another promising species of economic value which has been found suitable for planting in these areas. Sundrop Farms launched a greenhouse in 2016 to produce 15,000 tonnes of tomatoes using only desert soil and desalinated water piped from Spencer Gulf. Desert greening Desert greening is the process of man-made reclamation of deserts for ecological reasons (biodiversity), farming and forestry, but also for reclamation of natural water systems and other ecological systems that support