In dry regions or dry valleys, a method of farming called dryland agriculture is used. This cultivation practice is carried out without irrigation; rainfall is the only source of irrigation. Dry land farming is an old method also practised in the Indus Valley Civilisation. This type of farming was practised in semi-arid areas to grow drought-resistant crops such as millets, sorghum, a... https://tractorkarvan.com/blog/dryland-farming-in-india