Ireland - Barley yield

Hordeum spp.: two-row barley (H. disticum) six-row barley (H. hexasticum) four-row barley (H. vulgare). Tolerates poorer soils and lower temperatures better than does wheat. Varieties include with husk and without (naked). Used as a livestock feed, for malt and for preparing foods. The roasted grains are a coffee substitute.