THE INVENTION RELATES TO AN ELECTROCHEMICAL DEVICE WHICH SIMULTANEOUSLY CARRIES OUT THE PRODUCTION OF AN OXIDISING SOLUTION AT CONTROLLED COMPOSITION CONTAINING HYPOCHLOROUS ACID (401) AND THE SPRINKLING THEREOF IN A CONTINUOUS PROCESS, USEFUL FOR BIOCIDE TREATMENTS IN AGRICULTURAL FIELD. THE DEVICE CAN BE INSTALLED ON MOTOR VEHICLES OR MOBILE MEANS IN GENERAL. FIG. 1