| In 1962-63 a survey was conducted of forty-three dairy farmers in the Nambrok-Denison area of the Central Gippsland Irrigation District, near Maffra, in Victoria. One of the main purposes of the survey was to obtain estimates of resource productivities, using the Cobb-Douglas production function approach. This approach, to be successful, requires (inter alia) a high degree of uniformity between farms as regards soil, climate, stage of development and technical efficiency in management. A detailed soil survey of the area was available, and all eligible farms on a group of closely similar soil types were included in the sample. The restricted area ensured uniformity of climate (23" rainfall) and the fact that the farms were part of a Soldier Settlement... |
