Headed up by Mr. YAN Zong, first deputy county chief of Menghai county, Xishuangbanna prefecture, a 30-person delegation including indigenous Dai villagers and local officials from Manhong village, Menghai county paid a field trip to XTBG on November 16, 2010. The purpose of the trip is learning about planting techniques for tropical economic trees and fruit trees.

The delegation visited the agroforestry systems which consisted of Citrus maxima intercropping Plukenetia volubilis, and Jatropha curcas intercropping Curcuma longa L., high-yield cultivation models of Artocarpus heterophylla L., and Amorphophalms konjac in wild edible plants plantation. XTBG technologists provided the delegation with technical skills and knowledge in planting and management, economic value, ethnic traditional knowledge, recent developments and market prospects of the tropical economic trees and fruit trees. XTBG technologists emphasized that agroforestry systems can be developed that farmers could have high yield harvest without any forest destroying. These will help for tropical forest conservation and sustainable development.