Ключевые слова: agricultural, agricultural machinery, agriculture, alternative energy, autumn, biofuel, biomass, cereal, corn, corn cob, corn field, crop, crop yield, cutter bar, equipment, ethanol, fall, farm, farmland, field, food, food production, grain, harvest, harvester, harvesting, harvesting machine, industrial, industrial equipment, industry, land, livestock feed, machine, machinery, maize, maize filed, nature, plant, plantation, produce, ripe, ripeness, rural, season, vegetable, work, working,