What is a group of Barley called?

A group of barley is commonly called a Sheaf.

Collective nouns are words used to describe groups of things or living beings. Specifically, for barley, a collective noun used to represent a group of barley plants is "a field of barley." When used in the context of agriculture, "a field of barley" refers to an expanse of land containing multiple barley plants growing together closely. This collective noun emphasizes the scale and unity of the barley crop, highlighting the effect of the individual plants coming together to form a vast field of grain. In visualizing a field of barley, one might imagine rows upon rows of slender, green stalks swaying gently in the breeze. The collective noun evokes the cohesive and interconnected nature of the barley crop and signifies the collective effort in growing and harvesting grains that contribute to various products and industries. "A field of barley" as a collective noun encapsulates the sense of abundance, productivity, and agricultural beauty while emphasizing the collective valor and ecosystem of the growing crop.