Ключевые слова: agriculture, background, barley, business, cereals, concept, conservation, copy, crisis, crop, danger, earth, eco, ecological, ecology, economy, environment, environmental, export, food, global, globe, grains, green, harvest, hunger, import, market, meal, nature, nobody, object, planet, politics, poverty, preserving, prevention, problem, products, protect, resource, save, space, spikelets, supply, sustainability, symbol, text, wheat, world,