摘要：This investigation examines the impact of intensive farm management advice on levels and productivities of resource use on samples of farms. A total of 60 members of 13 farm management advisory services and 60 non-members, matched by locality, were studied in two farming regions of Western Australia. A production model has been formulated and analysed which discriminates between effects of differences and changes in resource use and productivity over time and between members and non-members. Major differences between members and non-members over time have been rates of growth of inputs and outputs rather than systematic changes of production relationships.
