Parametric linear programming is used to derive optimum programmes for 590 different resource situations representing the range existing in the Murrumbidgee Irrigation Area of New South Wales. Enterprises comprising optimum plans included rice, commercial lucerne hay using farmer owned...

While a number of the conclusions arising from this study have reference specifically to the irrigated areas of southwestern New South Wales, a substantial part has particular relevance to the study of machinery economics generally. Perusal of the main conclusions listed below will illustrate...