relation: http://oar.icrisat.org/7102/ title: Dryland agriculture in Semi-arid tropics: Constraints and opportunities creator: Dar, W D subject: Millets subject: Chickpea subject: Pigeonpea subject: Groundnut subject: Sorghum publisher: The Indian Society of Dryland Agriculture date: 2011 type: Article type: PeerReviewed format: application/pdf language: en identifier: http://oar.icrisat.org/7102/1/IJDARD_26_1_1-7_2011.pdf identifier: Dar, W D (2011) Dryland agriculture in Semi-arid tropics: Constraints and opportunities. Indian Journal of Dryland Agriculture Research and Development, 26 (1). pp. 1-7. ISSN 0971-2062 relation: http://indianjournals.com/ijor.aspx?target=ijor:ijdard&volume=26&issue=1&article=001