Dryland Agriculture Research in India : thrust in the eighties : papers presented at the national seminar A decade of dryland agriculture research in India and thrust in the eighties held in Janaury 18 - 20,1982 at Hyderabad - Singh, R.P., ed.; Subramanian, V. Bala, ed. (All-India Co-ordinated Research Project for Dryland Agriculture Hyderabad, 1983)