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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 [Arcadia]
Type: crop
Model source/other links: Andrews et al 2016, Croptime project
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. 1674 DDs after transplant: 50% head initiation
3. 2281 DDs after transplant: First harvest
4. 2672 DDs after transplant: Early flowering
==============================MODEL OUTPUT================================
Weather station: 2017 D9216 APRSWXNET DW9216 Cleator AZ Lat34.2825 Long:-112.1992 Elev:3212
mn day max min precip DD32 CUMDD32 event
-- --- ----- ----- ------ ---- ------- -------
6 1 90.00 60.00 0.00 35.46 35.5 * START * Transplanted - 2-4 leaves
6 2 96.00 64.00 0.00 36.88 72.3
6 3 101.00 71.00 0.00 38.00 110.3
6 4 101.00 70.00 0.00 38.00 148.3
6 5 101.00 75.00 0.00 38.00 186.3
6 6 100.00 73.00 0.00 38.00 224.3
6 7 99.00 64.00 0.00 36.93 261.3
6 8 96.00 61.00 0.00 36.01 297.3
6 9 98.00 64.00 0.00 36.91 334.2
6 10 92.00 57.00 0.00 34.49 368.7
6 11 89.00 63.00 0.00 36.41 405.1
6 12 84.00 63.00 0.00 36.22 441.3
6 13 90.00 56.00 0.00 34.00 475.3
6 14 97.00 62.00 0.00 36.34 511.7
6 15 101.00 66.00 0.00 37.42 549.1
6 16 103.00 61.00 0.00 36.19 585.3
6 17 105.00 60.00 0.00 35.95 621.2
6 18 109.00 64.00 0.00 37.06 658.3
6 19 111.00 70.00 0.00 38.00 696.3
6 20 112.00 78.00 0.00 38.00 734.3
6 21 112.00 73.00 0.00 38.00 772.3
6 22 109.00 72.00 0.00 38.00 810.3
6 23 108.00 69.00 0.00 37.93 848.2
6 24 109.00 71.00 0.00 38.00 886.2
6 25 107.00 81.00 0.00 38.00 924.2
6 26 104.00 70.00 0.00 38.00 962.2
6 27 103.00 70.00 0.00 38.00 1000.2
6 28 99.00 64.00 0.00 36.93 1037.1
6 29 100.00 63.00 0.00 36.68 1073.8
6 30 102.00 68.00 0.00 37.79 1111.6
Forecast using: 1910 D9216 PRISM_rev1_4km 2007-2016 AVERAGES Lat34.2825 Long-112.1992 DD50
broccoli model - Andrews et al 2016Location: 2017 D9216 DW9216 Cleator AZ 1910 D9216 PRISM_rev1_4km 2007-2016 AVERAGES Date | DDs | Event |
6-1-17 | 35 | Transplanted - 2-4 leaves |
3-23-17 | 1686 | 50% head initiation |
4-15-17 | 2307 | First harvest |
4-27-17 | 2683 | Early flowering |