This thesis presents an investigation of two production functions (a non-linear-in-parameters and a generalized polynomial) in order to determine which function most appropriately represents the observed relationships of the components of ICM technology. Four spring barley and one spring wheat datasets were assembled from ICM field trials conducted in the Montreal region (1987-89). / A quadratic and a Mitscherlich-Baule equation were fitted to the (five) datasets and compared with respect to a number of measures of goodness of fit. One dataset was chosen for generating and graphing a three-dimensional response surface, based on the fitted equations of that dataset. The two surfaces were compared in light of expectations regarding the two equations. / The fitted equations of three of the five datasets did not produce noteworthy results. The other two datasets provided mixed results. The response surfaces provided outcomes that were contrary to prior expectations. In general graphing the response surfaces offered limited additional insight. Ultimately, this project may have been hampered by the experimental design of the field trials, those designs being oriented to results of agronomic rather than economic significance.

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