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Berks County (Airport data)

Apple Carbohydrate Thinning Model for the Reading Airport.

Green Tip: April 10, 2018
Full Bloom: May 3, 2018

DateMax Temp (°F)Min Temp (°F)Solar Rad (MJ/m2)ProductionDemandBalance4-Day Avg BalanceThinning Recommendation
15-May 90 64 24.1 47.22 113.11 -65.89 -63.35 Decrease chemical thinner rate by 50%
16-May 64 59 4.4 4.35 65.45 -61.1 -55.13 Decrease chemical thinner rate by 30%
17-May 72 59 5.6 9.99 75.91 -65.92 -47.98 Decrease chemical thinner rate by 30%
18-May 67 58 4.3 6.29 66.77 -60.48 -34.1 Decrease chemical thinner rate by 15%
19-May 66 55 7.1 27.64 60.65 -33.01 -16.56 Apply standard chemical thinner rate
20-May 81 63 15.4 57.34 89.86 -32.52 -2.57 Apply standard chemical thinner rate
21-May 78 63 17.8 69.01 79.42 -10.41 15.58 Increase chemical thinner rate by 15%
22-May 76 61 19.2 78.05 68.36 9.69
23-May 76 59 20.9 86.35 63.38 22.97
24-May 74 57 23.8 98.34 58.29 40.05

Note date printed in boldface is the date the model was run and is based on expected temperatures for that specific date and location.

Contact Information

Robert Crassweller
  • Professor of Horticulture
Email:
Phone: 814-863-6163