Ключевые слова: agriculture, automatic, blue, country, countryside, crop, environment, extensive, farm, farming, farmland, fertile, fertilize, field, food, green, grow, harvest, irrigation, large, machine, mechanical, metal, modern, pivot, plant, plowed, pressure, produce, pump, row, rural, sky, soil, spray, sprinkle, sprinkler, squash, steel, summer, sun, system, technology, tube, water, watering plants, wheel, wheeled,