Ключевые слова: agriculture, agronomy, air, chemistry, color, countryside, cultivation, dabble, engine, environment, farm, farming, field, fly, helicopter, husbandry, industry, land, landscape, low, machinery, meadow, nature, outdoors, outside, plant, season, silhouette, sky, smoke, spray, sprayer, sprinkler, substances, summer, sunflower, sunlight, sunset, transportation, tree, wet, work,