Ключевые слова: 400x, agriculture, angiosperms, background, barley, cereal, cereals, corn, corn stem cs, crop, cross section, cultivation, dry, farm, farming, field, food, golden, grain, grains, grow, isolated, micro, microscope, monocots, nature, oats, plant, plantae, poaceae, poales, ripe, scope, stalk, straw, wheat, white,