N.J. Stat. Ann. § 2C:18-4

As used in this act, "lands" means agricultural or horticultural lands devoted to the production for sale of plants and animals useful to man, encompassing plowed or tilled fields, standing crops or their residues, cranberry bogs and appurtenant dams, dikes, canals, ditches and pump houses, including impoundments, man-made reservoirs and the adjacent shorelines thereto, orchards, nurseries, and lands with a maintained fence for the purpose of restraining domestic livestock. "Lands" shall also include lands in agricultural use, as defined in section 3 of P.L.1983, c. 32 (C. 4:1C-13), where public notice prohibiting trespass is given by actual communication to the actor, conspicuous posting, or fencing or other enclosure manifestly designed to exclude intruders.