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  • Author or Editor: James M. McKinion x
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In the late 1960's with the advent of wide availability of the digital computer, it became possible through the application of systems theory to build simulation models of biological entities. In production agriculture, scientists have built models of a number of field crops: cotton, corn, wheat, soybean, and alfalfa. In most of the models built to date, crop phenology is addressed directly with detailed aspects of crop physiology and/or soil physics addressed either to a greater or lessor degree. This paper addresses the methodology of the construction of process-level, physiologically-based crop simulation models which possess detailed descriptions of plant physiological and soil physical mechanisms and proposes a minimum set of design features.

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