Soil, water, and crop/livestock management systems for rainfed agriculture in the Near East region : proceedings of the workshop at Amman, Jordan, January 18-23, 1986 - Whitman, C. E. (Washington, DC : U.S. Agency for International Development, 1989)
"October 1989"--T.p. verso.
Keywords: Dry farming -- Congresses; Agricultural systems -- Congresses; Agricultural conservation -- Congresses