a measurement of crop yield: the weight of a harvested product as a percentage of the total plant weight of a crop.
Fall Once Had A Different NameWe may call it fall, but once upon a time the season that comes after summer but before winter was referred to by a different name ...
Origin of harvest index
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019