CONTROL SYSTEMS FOR PROPAGATION
Penelope Rose and Lynne Twentyman
A "system" may be defined as a method for the collection and presentation of facts. Its only product is information. Information collected from the system enables decisions to be made which, in turn, improve efficiency by allowing the maximum use to be made of resources and labor.
While the various operating areas of a nursery are intimately related, each one can be considered as a separate entity from the point of view of a systems design (Figure 1).
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