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:
“One day my mother called me ... and she said, “Forty-nine million Americans saw you on television tonight. One of them is the father of my future grandchild, but he’s never going to call you because you wore your glasses.””
—Lesley Stahl (b. 1941)