http://reply.papertrans.cn/1/11/1025/1025-31.png
http://reply.papertrans.cn/1/11/1025/1025-32.png
http://reply.papertrans.cn/1/11/1025/1025-33.png
http://reply.papertrans.cn/1/11/1025/1025-34.png
http://reply.papertrans.cn/1/11/1025/1025-35.png
Submitted on: 01 April 2016.
Revised on: 10 May 2016.
Accepted on: 05 June 2016.
___________________Agroecology and Sustainable Food Systems