The Homestead Stamp Collection emphasizes on farming and the agricultural background of the U.S. Four of the main crops grown each year are corn, wheat, milo, and soybean. You will learn about when and where each crop is planted and how much of that crop is needed to feed America. The Homestead collection booklet is filled with educational facts about farming and planting to help you gain more knowledge in the agricultural field. Have you thanked a farmer today?