Working Document Series Open Access Comparison of the perceived and “unseen” value of trees in Kamuli district in Eastern Uganda Armstrong, B. Atugumya · M. Isabirye Farmers’ knowledge on agro ecosystems is essential in sustainable tree-crop integration and management. Understanding the various ways farmers attach value to agrarian trees and a scientific evaluation on the contribution of trees in terms… RUF-36865 2016 CC BY 4.0 14 Sep 2017