A methodological framework for assessing agricultural land use in the tropical uplands was tested in an upland area in the province of Laguna, Philippines. The aim is to explore the potential of enhanced agrobiodiversity as a management alternative for agricultural land use in the uplands in terms of environmental protection, productivity and acceptability. Results showed that diversifying production systems through integration of horticultural trees and vegetables protects the topsoil, reduces nutrient wastage and is more profitable than non-diversified production system. The Logit...