Ключевые слова: agricultural, agriculture, airflow, application, apply, applying, background, blue, chemical, chemicals, crop, cultivated, direction, dust, duster, environment, environmental, equipment, farm, farmer, farming, farmland, fast, fertilizer, field, fungicide, green, growth, herbicide, industry, insecticide, landscape, machine, machinery, mechanized, paddy, pesticide, pesticides, plant, pollutant, protective, rural, spray, sprayer, spring, toxic, tractor, treatment, vehicle, worker,