Agricultural origins and dispersals : the domestication of animals and foodstuffs /

Tekijä Sauer, Carl Ortwin, 1889-1975
Julkaistu 1969

Agricultural plants /

Tekijä Langer, R. H. M. (Reinhart Hugo Michael), 1921-
Julkaistu 1991

Agricultural research and technology in economic development : the impact of agricultural research and modern technology on food production, economic growth, and income distributio...

Tekijä Pinstrup-Andersen, Per
Julkaistu 1982

Agricultural resources : an introduction to the farming industry of the United Kingdom /

Tekijä Edwards, Angela M.
Julkaistu 1974

Agricultural salinity assessment and management /

Julkaistu 1990

Agricultural sustainability in a changing world order /

Julkaistu 1984

Agricultural technologies and tropical deforestation /

Julkaistu 2001

Agricultural uses of by-products and wastes /

Julkaistu 1997

Agriculture /

Tekijä Huggett, Richard J.
Julkaistu 1980

Agriculture : a text-book for New Zealand schools and colleges /

Tekijä Connell, R. P. (Richard Patrick), 1892-1949
Julkaistu 1920

Agriculture and energy : proceedings of a conference held at Washington University, St. Louis, Missouri, June 17-19, 1976 /

Julkaistu 1977

Agriculture and environment : the physical geography of temperate agricultural systems /

Tekijä Briggs, David J. (David John), 1948-
Julkaistu 1989

Agriculture and the environment : bridging food production and environmental protection in developing countries : proceedings of an international symposium sponsored by Division A-...

Julkaistu 1995

Agriculture and the nitrogen cycle : assessing the impacts of fertilizer use on food production and the environment /

Julkaistu 2004

Agriculture and the quality of our environment /

Julkaistu 1967

Agriculture in Asia-Pacific Commonwealth /

Tekijä Rangaswami, G. (Govindachetty), 1925-
Julkaistu 1987

Agriculture in the city's countryside /

Tekijä Bryant, C. R., 1945-
Julkaistu 1992

Agriculture in the Middle Ages : technology, practice, and representation /

Julkaistu 1995

Agriculture in the Republic of Ireland /

Tekijä Gillmor, Desmond A., 1938-
Julkaistu 1977

Agriculture in the tropics /

Tekijä Webster, C. C. (Cyril Charles), 1909-
Julkaistu 1980