Tours now available at EARTH Center Middlesex County EARTH Center at Davidson's Mill Pond Park, South Brunswick, is offering guided tours to Scout troops, senior's clubs, and other organizations to learn about local agriculture, and the environment. Tours cost a nominal fee, and content may be tailored to suit the group's interests and needs. The center demonstration areas include a 1,000-square-foot vegetable garden, 13-bed herb garden, and a shade and ornamental tree display area. Individuals unable to visit the center may get gardening tips plus information at the Rutgers Cooperative Extension Web site at http://co.middlesex.nj.us/extensionservices or by calling (732) 398-5262.