THE PILOT REPORTED HE LANDED THE AIRPLANE ON THE GRASS ADJACENT TO THE RUNWAY DUE TO THE POOR CONDITION OF THE RUNWAY. AFTER PICKING UP A LOAD OF CHEMICAL, THE PILOT PREPARED TO TAKEOFF ON THE GRASS. WHILE ON THE INITIAL GROUND RUN, THE AIRPLANE'S RIGHT SPRAY BOOM ENCOUNTERED TALL GRASS. THE PILOT LOST DIRECTIONAL CONTROL OF THE AIRPLANE. THE RIGHT WING AND PROPELLER CONTACTED THE GROUND AND THE LANDING GEAR WAS DAMAGED. THIS AIRPORT HAS BEEN CLOSED FOR SEVERAL YEARS PRIOR TO THIS ACCIDENT.