New Jersey Statutes Title 54. Taxation 54 § 4-23.11

In determining the total area of land actively devoted to agricultural or horticultural use there shall be included the area of all land under barns, sheds, seasonal farm markets selling predominantly agricultural products, seasonal agricultural labor housing, silos, cribs, greenhouses and like structures, lakes, dams, ponds, streams, irrigation ditches and like facilities, but land under and such additional land as may be actually used in connection with the farmhouse shall be excluded in determining such total area.