Agricultural purpose means the bona fide commercial or domestic, agricultural use of a site, parcel or lot which has been classified as green belt, pursuant to F.S. ch. 194, or the use of a site, parcel or lot for forestry, groves, pasture, nurseries, field crops, commercial sod production or combinations of such activities or any other agricultural pursuits within the applicable land use classifications or property located within the productive agriculture land use classification (PA).