Phase 1 was completed in 1991;Phase 2 commenced in 1991 and ended in 1994.Currently,the network is in Phase 3(1995~1997),which involves the major activity of on farm research, and is funded by SDC.

• 目前，这个网络正在执行第三期任务（1995~1997），主要田间研究，由瑞士发展合作组织资助。