The purpose of the present Act is to ensure the protection of the agricultural community. The Act contains at the outset a definition clause relating to various terms employed therein such as, for example, “agricultural machinery and equipment”, “agricultural operation”, “Board”, “disturbance”, “farmer”, “normal farm practice”, “processing”. According to section 2, a farmer is not liable in nuisance to any person for a disturbance resulting from an agricultural operation carried on as a normal f