Whenever land in an R-R Zone is used for a golf course, a paved automobile parking area shall be provided on the grounds of sufficient area to provide 1.2 automobile parking spaces for each club membership, including house membership. In addition to this provision, where any clubhouse shall contain sleeping accommodations, there shall also be provided one automobile parking space for each room of sleeping accommodation. No parking area shall be located nearer than 75 feet to any adjacent residential property either within or without the Borough other than the property to which such parking area is incident, nor shall the same be located nearer than 50 feet to any public street or other boundary line, and the same shall be completely screened from adjacent property owners either by appropriate landscaping or other suitable screening devices to be approved by the Planning Board. No such landscaping or screening devices shall be approved by the Planning Board without a finding that the same adequately protect the property values of the adjacent property owners.