s:587:"%T SCUAF version 4: a model to estimate soil changes under agriculture, agroforestry and forestry %A Young A %A Menz K %A Muraya P %A Smith C %X SCUAF is a computer model which predicts the effects on soil of specific land ue systems under given environmental conditions. It is designed to include the distinctive features of agroforestry that is, land use systems which include both trees and crops. This document discusses a new model, version 4, which is developed in conjuction with the Centre for Resource and Environmental Studies of the Australian National University ";