27 Pa. C.S. § 701
The following words and phrases when used in this chapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Agriculture." Normal farming practices or innovative techniques used in the production and preparation for market of any crop or commodity included within the definition of "crops, livestock and livestock products" in section 3 of the act of June 30, 1981 (P.L. 128, No. 43) , known as the Agricultural Area Security Law.
"Board." The Agricultural Advisory Board established in section 702 (relating to establishment of board).
"Department." The Department of Environmental Protection of the Commonwealth.
"Normal farming practices." The customary and generally accepted activities, practices and procedures that farmers adopt, use or engage in year after year in the production and preparation for market of any crop or commodity included within the definition of "crops, livestock and livestock products" in section 3 of the act of June 30, 1981 (P.L. 128, No. 43), known as the Agricultural Area Security Law.
"Secretary." The Secretary of Environmental Protection of the Commonwealth.
"Sustainable agriculture." An integrated system of plant and animal production practices as defined by the Food, Agriculture, Conservation and Trade Act of 1990 ( Public Law 101-624 , 104 Stat. 3616).
27 Pa.C.S. § 701