An alien, who is not a resident of a state or territory of the United States or of the District of Columbia, and a foreign government shall not acquire an interest in agricultural land, exceeding 100 acres, except such as may be acquired by devise or inheritance, and such as may be held as security for indebtedness. The provisions of this section shall not apply to citizens, foreign governments or subjects of a foreign country whose rights to hold land are secured by treaty.
68 P.S. § 41