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| Parameter | Description | Unit | Default | Typical Range | |
|---|---|---|---|---|---|
| 1 | Decision Type | Allows user to select different methods for specifying the crop area on the planting date. Either a fixed area (which supports functions and data sources) or a lookup table that relates available water on the planting date to the planted area. | Fixed Area | ||
| 2 | Plant Date | Date that the planting decision is made and the crop is planted | Calendar date | 31 May | 1/1-31/12 |
| 3 | Harvest Date | Date crop is harvested. By default this is disabled | Calendar date | n/a | 1/1-31/12 |
| 4 | Underirrigation Factor | Reduces irrigation application by changing the target depletion level. When it is zero or negative it is inactive and when it is >0 it replaces it ignores the Target functions of Soil Depletion Target and Target Modifier. | % | 0 | 0-50 |
| 5 | Area relationship | Defines the crop area as a function of either available water using a lookup table or from a function or data source | ML vs ha | Fixed area | 3-14 ML/ha |
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