Participants at the on-going Fifth African Agriculture Science week, which entered its third day on Wednesday, want all the stakeholders including political leaders to develop func tional policies that will encourage more intra-Africa trade. The participants, who include civil society groups from within and outside Afric a involved in agriculture, farmers group and non-governmental organizations, said existing protocol on free movement of goods and persons, particularly in ECOWAS countries and other Regional Economic Communities (REC), needed to be fully implemented.