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Submitted on: 05 May 1999.
Revised on: 09 August 1999.
Accepted on: 21 August 1999.
___________________AGRICULTURAL HISTORY---DUKE UNIV PRESS
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Submitted on: 23 June 2010.
Revised on: 28 July 2010.
Accepted on: 24 August 2010.
___________________AGRICULTURAL HISTORY---DUKE UNIV PRESS
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Submitted on: 31 August 1998.
Revised on: 25 September 1998.
Accepted on: 09 October 1998.
___________________AGRICULTURAL HISTORY---DUKE UNIV PRESS
Submitted on: 03 January 2001.
Revised on: 27 January 2001.
Accepted on: 13 March 2001.
___________________AGRICULTURAL HISTORY---DUKE UNIV PRESS
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