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Notes

1 W. H. Terjung and S. S-F. Louie, “Energy Budget and Photosynthesis of Canopy Leaves,”Annals, Association of American Geographers, Vol. 63 (1973), pp. 109 30.

2 W. H. Terjung, S. S-F. Louie and P. A. O'Rourke, “Toward an Energy Budget Model of Photosynthesis Predicting World Productivity,”Vegetatio, Vol. 32 (1976), pp. 31 53; and W. H. Terjung, S. S-F. Louie and P. A. O'Rourke, “Seasonally Based Photosynthesis Model Predicting World Food Productivity,”International Journal of Biometerology, Vol. 20 (1976), pp. 267 70.

3 An early example of such modeling (ELCROS) is R. Brouwer and C. T. de Wit, “A Simulation Model of Plant Growth with Special Attention to Root Growth and its Consequences,” in W. J. Whitteington, ed., Root Growth (London: Butterworths, 1969), pp. 224–44.

4 W. G. Duncan, R. S. Loomis, W. A. Williams, and R. A. Hanau, “A Model for Simulating Photosynthesis in Plant Communities,”Hilgardia, Vol. 38 (1967), pp. 181 204; U.S. Department of Agriculture, Agricultural Research Service, Computer Simulation of a Cotton Production System: Users Manual (Washington, D.C.: USDA, ARS-S-52, April 1975); A. P. Gutierrez, L. A. Falcon, W. Loew, P. A. Leipzig, and R. Van Den Bosch, “An Analysis of Cotton Production in California: A Model for Acala Cotton and the Effects of Defoliators on its Yields,”Environmental Entomology, Vol. 4 (1975), pp. 125 36; G. W. Fick, W. A. Williams and R. S. Loomis, “Computer Simulation of Dry Matter Distribution During Sugar Beet Growth,”Crop Science, Vol. 13 (1973), pp. 413 17; D. A. Holt, R. J. Bula, G. E. Miles, M. M. Schreiber, and R. M. Peart, “Environmental Physiology, Modeling and Simulation of Alfalfa Growth. I. Conceptual Development of SIMED,”Research Bulletin 907, Agricultural Experiment Station, Purdue University, West Lafayette, Indiana, July 1975; and C. B. De Witt, “A Model for Predicting of World Food Production and Allocation,”Simulation, Vol. 25 (1975), pp. 65–85.