http://reply.papertrans.cn/2/152/15163/15163-21.png
http://reply.papertrans.cn/2/152/15163/15163-22.png
Submitted on: 20 June 2012.
Revised on: 27 August 2012.
Accepted on: 20 October 2012.
___________________Journal of Agricultural & Food Information
Submitted on: 01 July 2011.
Revised on: 15 September 2011.
Accepted on: 11 November 2011.
___________________Journal of Agricultural & Food Information
Submitted on: 23 February 2010.
Revised on: 03 April 2010.
Accepted on: 18 May 2010.
___________________Journal of Agricultural & Food Information
Submitted on: 09 October 2010.
Revised on: 24 December 2010.
Accepted on: 07 January 2011.
___________________Journal of Agricultural & Food Information
Submitted on: 07 October 2012.
Revised on: 14 November 2012.
Accepted on: 02 January 2013.
___________________Journal of Agricultural & Food Information
Submitted on: 12 February 2018.
Revised on: 05 March 2018.
Accepted on: 01 April 2018.
___________________Journal of Agricultural & Food Information
Submitted on: 22 April 2013.
Revised on: 02 July 2013.
Accepted on: 15 July 2013.
___________________Journal of Agricultural & Food Information
Submitted on: 25 October 2004.
Revised on: 18 February 2005.
Accepted on: 13 April 2005.
___________________Journal of Agricultural & Food Information