Summary
This paper discusses the design and development of a prototype of a Knowledge-
Based Expert System (KBES) in the field of agroforestry, referred to as United Nations University Agroforestry Expert System (UNU-AES),
with a focus on alley cropping. The prototype is under evaluation now. It
offers great hope for improvement and wide applicability of this technique
for decision making in the design and management of agroforestry systems
world-wide.