Submitted on: 05 September 2011.
Revised on: 12 December 2011.
Accepted on: 07 January 2012.
___________________Frontiers in Sustainable Food Systems
Submitted on: 13 October 2000.
Revised on: 21 November 2000.
Accepted on: 21 December 2000.
___________________Frontiers in Sustainable Food Systems
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http://reply.papertrans.cn/2/103/10233/10233-34.png
Submitted on: 23 March 2016.
Revised on: 28 June 2016.
Accepted on: 13 August 2016.
___________________Frontiers in Sustainable Food Systems
Submitted on: 01 January 2007.
Revised on: 25 February 2007.
Accepted on: 26 March 2007.
___________________Frontiers in Sustainable Food Systems