As used in this act, unless the context otherwise requires:
Except as provided in paragraph (4), land used for agricultural purposes shall not include land which is used for recreational purposes, suburban residential acreages, rural homes, including any associated farmyards, whose primary function is for residential or recreational purposes even though such properties may produce or maintain some of those plants or animals listed in the foregoing definition.
Land used for agricultural purposes which is located within 500 feet of a historic property shall be deemed to be located within the environs of such historic property.
K.S.A. 75-2716