Sources of fertilizer, manure, straw, seeds, plants, etc. in Georgia:

• Farmers and Consumers Market Bulletin
  The Farmers and Consumers Market Bulletin has served as a medium of exchange for Georgia's farmers and consumers since its beginning in 1917. Throughout its 89-year history, the non-profit periodical publication was produced weekly until it was reduced to a biweekly schedule by the Georgia General Assembly in its 2003 session.
• Johnson's nursery (Online sales and at their nursery. One location, north Georgia, near Ellijay)
• GardenWeb forums