Permitted principal uses. A building may be erected, altered or used, and land may be used or occupied, subject to the General Provisions of Article XXI and Special Provisions of Article XXII, for any of the following uses and for no other:
(1)
Agriculture, subject to § 275-138.
(4)
Open space for recreation and conservation purposes.
(7)
Communications antennas mounted on an existing public utility transmission tower, building or other structure and communications equipment buildings, subject to § 275-145 of Article XXII and all other standards and criteria for approval of conditional uses in this chapter.