aerial view on tractor with sprayer came for reload, water, herbicide and pesticide

aerial agricultural agriculture biochemical biohazard care chemical cistern components crop crossroad cultivated farmer farmland field herbicide horticulture hose intersection land machine mix mixing mixture pesticide poison pour prepare process protection protective pump refill refilling reload reservoir spray sprayer sprinkling tank toxic tractor transfer transshipment two water work view farmers preparing chemicals filling sprayer#39aph39#s