MUDAS is a crop-livestock integration system useful for profit maximization on farms with more than one enterprise (such as wheat and sheep). It classifies seasons according to four general criteria: (1) the amount of rainfall received during the summer, (2) the timing of the opening rains, (3) the amount of rainfall received at the break, and (4) the amount of spring rainfall. It provides options to allow within-season, or tactical, adjustments on the basis of information to date. These include adjustment to crop area, machinery use, live weight of sheep, fertilizer use, grain storage, and pasture deferment.

Kingwell, Morrison, and Bathgate, 1991

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