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:
“Good manners, Madam, are had these days not
For your asking, nor mine, nor what-we-used-to-be’s.
The day is a loud grenade that bursts a smile
Of serious weeds in a comic lily plot....”
—Allen Tate (1899–1979)