The term 'Harvest Yield' refers to the amount of crops that are harvested from a given area. The crossword solution for this term is 'CROP', which is a four-letter word. CROP is a general term used to refer to any plant or plant product that is grown and harvested for human consumption. This includes fruits, vegetables, grains, and other plants that are used for food, feed, or fuel. Harvest yield is an important measure of agricultural productivity, as it indicates the amount of crops that can be harvested from a given area.