Appointment of agricultural member. Notwithstanding any provisions of this chapter or any general, special or local law, the Mayor may, if an agricultural district created pursuant to § 303 of Article 25-AA of the Agriculture and Markets Law exists wholly or partly within the boundaries of such village, include on the Planning Board one or more members each of whom derives $10,000 or more annual gross income from agricultural pursuits in said village. As used in this subsection, the term "agricultural pursuits" means the production of crops, livestock and livestock products, aquacultural products, and woodland products as defined in § 301 of the Agriculture and Markets Law.