Agricultural systems -- Cameroon : The interactions of human mobility and farming systems on biodiversity and soil quality in the western highlands of Cameroon / Christopher Mubeteneh Tankou
Agricultural systems -- Developing countries -- Congresses. : Livestock development strategies for low income countries : proceedings of the Joint FAO/ILRI Roundtable on Livestock Development Strategies for Low Income Countries : International Livestock Research Institute, Addis Ababa, Ethiopia, 27 February-02 March 1995 / edited by R. Trevor Wilson, Simeon Ehui, and Simon Mack
Agricultural systems -- Indonesia -- Flores : Agriculture and population pressure in Sikka, Isle of Flores : a contribution to the study of the stability of agricultural systems in the wet and dry tropics / Joachim K. Metzner
Agricultural systems -- Laos. : Upland farming systems in the Lao PDR - problems and opportunities for livestock : proceedings of an international workshop held in Vientiane, Laos, 18-23 May, 1997 / editors: E.C. Chapman, Bounthong Bouahom and Peter Kurt Hansen
Agricultural systems -- Nigeria -- Congresses. : Livestock systems research in Nigeria's subhumid zone : proceedings of the second ILCA/NAPRI Symposium held in Kaduna, Nigeria, 29 October-2 November, 1984 / edited by R. von Kaufmann, S. Chater, R. Blench
Agricultural systems -- Research -- Developing countries. : Agricultural systems research for developing countries : proceedings of an international workshop at Hawkesbury Agricultural College Richmond, N.S.W., Australia 12-15 May 1985 / editor: J.V. Remenyi
Agricultural systems -- Research -- United States -- Congresses : Ecosystem services : charting a path to sustainability : interdisciplinary research team summaries : conference, Arnold and Mabel Beckman Center, Irvine, California, November 10-13, 2011
Agricultural systems -- United States : Toward sustainable agricultural systems in the 21st century / Committee on Twenty-First Century Systems Agriculture, Board on Agriculture and Natural Resources, Division on Earth and Life Sciences