Better working and living conditions resulted by scientific technical revolution in agriculture. Nevertheless specialization of agricultural labor created a higher risk against inhalative hazards among few professions. Among biological hazards that are for instant zoonoses and ornithosis, Q-fever, tularemia and tuberculosis. A series of allergenic dusts is of vegetable origin. Among chemical hazards pesticides, fertilizers and disinfectants and other hazards are discussed. Among physical hazards in building and in repair shops for agricultural machines single risk is possible by silicosis and asbestosis but dominating are unspecific dusts.