handyman wearing protective clothing using backpack mistblower for spraying organic pesticides

handyman wearing protective clothing using backpack mistblower spraying organic pesticides fertiliser gardening farmer pesticide agriculture herbicide industry orchard insecticide manual crop sprayer farming chemical control distribution biological equipment bugs exterminator farm fruit growing garden harvester industrial fungicide ecology bio fertilizer plant protection man hazmat suit mistblowers nozzle pest season seasonal spray substances toxic treatment trees vegetables worker working yields