Conservation and agriculture
edited by Joan Davidson and Richard Lloyd
John Wiley & Sons, 1979
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Martin, Anne
Economics and agriculture
Routledger Kegan Paul, 1958
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Larson, Adlowe L.
Agriculture marketing
Prentice-Hall, 1957
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Moverley, John
Microcomputers in agriculture
Harper-Collins, 1986
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Briggs, David J.
Agriculture and environment: the physical geography of temperature agriculture systems
Longman Scientific & Technical, 1994
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