Growing-degree Day
Growing degree days (GDD), also called growing degree units (GDUs), are a heuristic tool in phenology. GDD are a measure of heat accumulation used by horticulturists, gardeners, and farmers to predict plant and pest development rates such as the date that a flower will bloom or a crop reach maturity.
Read more about Growing-degree Day: Introduction, GDD Calculation, Plant Development, Pest Control, Honeybees, Baselines
Famous quotes containing the word day:
“But the tender grace of a day that is dead
Will never come back to me.”
—Alfred Tennyson (1809–1892)