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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: broccoli [Emerald Pride]
Type: crop
Model source/other links: Croptime project, Andrews et al 2016
Calculation method: single sine
Lower threshold: 32 degrees Fahrenheit
Upper threshold: 70 degrees Fahrenheit
Directions for starting/BIOFIX: date of transplant at 2-4 true leaves
Starting/BIOFIX date: 6 1
Ending date: 7 0
Model validation status: new model-not yet fully validated
Region of known use: W. Oregon
==============================EVENTS TABLE================================
1. 1 DDs after transplant: Transplanted - 2-4 leaves
2. 1565 DDs after transplant: 50% head initiation
3. 2151 DDs after transplant: First harvest
4. 2518 DDs after transplant: Early flowering
==============================MODEL OUTPUT================================
Weather station: 2017 C0364 APRSWXNET CW0364 Greenbrier AR Lat35.2844 Long:-92.3961 Elev:558
mn day max min precip DD32 CUMDD32 event
-- --- ----- ----- ------ ---- ------- -------
6 1 86.00 63.00 0.00 36.31 36.3 * START * Transplanted - 2-4 leaves
6 2 85.00 62.00 0.00 35.92 72.2
6 3 85.00 66.00 0.78 37.20 109.4
6 4 84.00 68.00 3.37 37.70 147.1
6 5 79.00 68.00 0.13 37.63 184.8
6 6 86.70 66.00 0.00 37.24 222.0 Px
6 7 81.00 57.50 0.00 33.88 255.9 Px Pn
6 8 78.00 55.70 0.00 32.73 288.6 Pn
6 9 86.00 53.00 0.00 32.50 321.1
6 10 86.00 59.00 0.00 34.88 356.0
6 11 88.00 68.00 0.00 37.73 393.7
6 12 88.00 73.00 0.00 38.00 431.7
6 13 86.00 68.90 0.00 37.88 469.6 Pn
6 14 91.00 72.00 0.04 38.00 507.6
6 15 90.00 69.00 0.04 37.91 545.5
6 16 90.00 70.00 0.00 38.00 583.5
6 17 90.00 70.00 0.00 38.00 621.5
6 18 85.00 68.00 0.47 37.71 659.2
6 19 90.00 65.00 0.00 37.03 696.2
6 20 92.00 62.00 0.00 36.20 732.4
6 21 90.00 64.00 0.05 36.75 769.2
6 22 86.00 73.00 0.34 38.00 807.2
6 23 93.00 68.00 0.82 37.76 844.9
6 24 83.00 64.00 0.01 36.52 881.5
6 25 87.00 59.00 0.00 34.94 916.4
6 26 87.00 64.00 0.00 36.66 953.1
6 27 86.00 62.00 0.00 35.97 989.0
6 28 88.00 64.00 0.00 36.69 1025.7
6 29 86.00 70.00 0.18 38.00 1063.7
6 30 85.00 68.00 0.37 37.71 1101.4
Forecast using: 1910 C0364 PRISM_rev1_4km 2007-2016 AVERAGES Lat35.2844 Long-92.3961 DD50
broccoli model - Croptime projectLocation: 2017 C0364 CW0364 Greenbrier AR 1910 C0364 PRISM_rev1_4km 2007-2016 AVERAGES Date | DDs | Event |
6-1-17 | 36 | Transplanted - 2-4 leaves |
3-28-17 | 1573 | 50% head initiation |
4-17-17 | 2178 | First harvest |
4-29-17 | 2538 | Early flowering |