A cereal grain used for food, malting, and animal feed.
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Barley (Hordeum vulgare) is a major cereal grain and one of the earliest domesticated crops, first cultivated in the Fertile Crescent around 10,000 years ago. It belongs to the grass family Poaceae and is classified as two-row, four-row, or six-row depending on spike structure, and as winter or spring depending on sowing time. Barley is hardy, salt- and drought-tolerant, and grows in cool, semi-arid climates. It is the fourth most produced cereal globally after maize, rice, and wheat, with major producers including Russia, Australia, France, Germany, and Canada. Uses include malting for beer and whisky, human food (pearl barley, barley flour, porridge), and animal feed. Hulled and hulless varieties differ in whether the husk adheres to the grain. Barley is high in dietary fibre, particularly beta-glucan, linked to cholesterol reduction. Its history includes use in ancient Egyptian bread and beer, Roman gladiator diets, and medieval peasant fare. Modern breeding focuses on malting quality, disease resistance, and climate resilience.
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