"Agriculture" means the use of land as defined in Chapter 1107 of this Ordinance. For the purposes of this Ordinance, such agricultural use shall not include:
(a) Maintenance and operation of commercial greenhouses or hydroponic farms, except in zoning districts in which such uses are expressly permitted.
(b) Wholesale or retail sales as an accessory use, unless specifically permitted by Section 1135.04
(f) below.
(c) Feeding garbage to animals, raising poultry or fur-bearing animals as a principal use, or operation or maintenance of a commercial stockyard or feed yard.