Output from uspest.org/wea crop degree-day/phenology model program:
Heat Units and predictions of key events from daily weather data
==============================MODEL INPUTS================================
Model species/general links: winter wheat
Type: crop
Model source/other links: Karow et al 1993
Calculation method: simp avg/grow
Lower threshold: 32 degrees Fahrenheit
Setting upper threshold to: 130 F (default)
Directions for starting/BIOFIX: calendar date
Starting/BIOFIX date: 1 1
No ending date, set to: default date 12 31
Model validation status: new prototype version - Contact Russ Karow at karowr@css.oregonstate.edu
Region of known use: Pacific Northwest
==============================EVENTS TABLE================================
1. 144 GDD after planting Germination complete
2. 324 GDD after planting Emergence complete
3. 504 GDD after planting 1st leaf fully developed
4. 684 GDD after planting 2nd leaf fully developed
5. 864 GDD after planting 3 leaves, T0 (coleoptile tiller)
6. 1044 GDD after planting 4 leaves, T1 (1st node tiller)
7. 1224 GDD after planting 5 leaves, T2 (2nd node tiller)
8. 1404 GDD after planting 6 leaves, T3 (3rd node tiller)
9. 1584 GDD after planting 7 leaves, T4 (4th node tiller)
==============================MODEL OUTPUT================================
Weather station: 1000 none selected
mn day max min precip DD32 CUMDD32 event
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