Permitted uses in this district are:
A. General agricultural operations, but this shall not include or permit a use or activity engaged in. within three hundred feet of a residential or retail business structure, if such use or activity results in unreasonable and continuous odor or dust. In the event such use is conducted within three hundred feet of a residential or commercial district boundary, no right shall be acquired to continue such use after the erection of a residential or business structure adjacent to the district boundary.
B. A building may be erected, altered, or used, and a lot may be used or occupied, for any of the purposes as shown in Chapter 17.52, Table I, Principal Uses Permitted in Zones.
(Ord. 81-11 Art. IV § 2, 1980).