Activities involving the use of buildings and land for gardening, farming, nurseries and greenhouses, riding academies, livery or boarding stables, dog kennels and animal hospitals shall be subject to the applicable regulations of the Commonwealth of Pennsylvania and to the following safeguards and regulations:
A.
Buildings in which animals are kept shall not hereafter be erected or converted within 100 feet of any lot line.
B.
Storage of manure or an odor- or dust-producing substance shall not be permitted within 100 feet of any lot line.
C.
The tilling of the soil, raising of crops, gardening and sale of produce grown on the premises shall be permitted in any district.