Submitted on: 28 March 1998.
Revised on: 06 June 1998.
Accepted on: 06 July 1998.
___________________JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS
Submitted on: 30 October 2009.
Revised on: 04 December 2009.
Accepted on: 27 December 2009.
___________________JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS
http://reply.papertrans.cn/2/152/15158/15158-23.png
Submitted on: 17 November 2001.
Revised on: 30 January 2002.
Accepted on: 30 March 2002.
___________________JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS
http://reply.papertrans.cn/2/152/15158/15158-25.png
Submitted on: 29 December 2004.
Revised on: 23 February 2005.
Accepted on: 15 March 2005.
___________________JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS
http://reply.papertrans.cn/2/152/15158/15158-27.png
Submitted on: 11 November 2007.
Revised on: 16 December 2007.
Accepted on: 21 January 2008.
___________________JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS
Submitted on: 31 March 2010.
Revised on: 15 June 2010.
Accepted on: 02 July 2010.
___________________JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS
Submitted on: 15 January 2012.
Revised on: 16 March 2012.
Accepted on: 04 May 2012.
___________________JOURNAL OF AGRICULTURAL & ENVIRONMENTAL ETHICS