Ttop view of a tractor spraying chemicals agricultural field of crops. Agriculture on an industrial scale. Tractor sprayer works on a large green field. Aerial shot in front of a tractor spraying a wheat field against diseases. Tractor spraying a field of wheat with herbicides. Pesticides are applied to crops in early spring. A farmer sprays crops with chemicals. A special light tractor fertilizes the wheat field. High quality 4k footage. High quality 4k footage