Soil

NFU's Annual Conference 1991

NORAGRIC. 1991. Nfu's Annual Conference 1991. Proceedings Of Nfu's Annual Conference 1991: Natural Resource Use And Changing Society, Interdisciplinary Approaches To Development, Agricultural University Of Norway, Aas, 23-24 May 1991.. Aas [Ås], Norway; Oslo, Norway: Norwegian Centre for International Agricultural Development, Agricultural University of Norway; Norwegian Association for Development Research. http://www.worldcat.org/oclc/29625062.

Farm forestry

Arnold, J. E. M. 1987. Farm Forestry. In Sustainability Issues In Agricultural Development: Proceedings Of The Seventh Agriculture Sector Symposium, 211-222. Washington, DC: World Bank. http://www.worldcat.org/oclc/15791230.

Desertification

Steeds, David R. 1987. Desertification. In Sustainability Issues In Agricultural Development: Proceedings Of The Seventh Agriculture Sector Symposium, 229-238. Washington, DC: World Bank. http://www.worldcat.org/oclc/15791230.

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