Summer Food Corps Act - Authorizes the Secretary of Agriculture to establish and carry out a summer farm job program for eligible youth. Defines "eligible youth" to mean anyone who: (1) is a citizen of the United States and who has attained age 16 but not attained age 21 at the time of selection for the program authorized by this Act; and (2) resides in an urban community. Directs the Secretary in carrying out the program, to establish procedures to: (1) identify, recruit, and select eligible youth; (2) identify, screen, and qualify reputable farm and ranch operators to serve as employers of such youth; (3) assure that youth are paid a minimum of $30 per week; (4) provide appropriate training; and (5) provide for the transportation of such youth to and from their place of employment. Authorizes $20,000,000 to be appropriated for fiscal year 1975 to carry out this Act.