Agriculture and environment in Hungary
1993
Agricultural land
Biodiversity, culture, conservation and ecodevelopment
1991
Oldfield, Margery L. |
Alcorn, Janis B. |
National seminar on setting priorities for research in the land use continuum in Vietnam, Hoa Binh, September 9-13, 1991
1991
Sargent, Caroline |
Palmer, John |
Morrison, Elaine |
Wetlands in drylands : the agroecology of savana systems in Africa
1991
Scoones, Ian |
Problems of land degradation in Commonwealth Africa : a study of the scope of Commonwealth action
1989
Milner, C. |
Douglas, M. G. |
From soil conservation to land husbandry : guidelines based on SIDA's experience
1993
Lundgren, Lill |
Taylor, Geoff |
Le couvert végétal, la pente du champ et la conservation des terres
1991
Clay, Daniel C. |
Lewis, Laurence A. |
Farmland, food and the future
1979
Schnepf, Max |