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While at this tour stop the group also learned how farmers know when their peanuts are ready in the field for harvest. Tift County Extension Coordinator Brian Tankersley and John Beasley, University of Georgia peanut agronomist, explained the hull-scrape method and how farmers use it to determine peanut maturity. Farmers take a sample of their peanuts from the field and use water pressure with a turbo nozzle to blast the peanuts with water. After a few minutes the hulls of the peanuts will turn a different shade of colors based on their maturity. The peanuts are then placed on a peanut profile board based on the color of the hulls. The farmers use this information to know if their peanuts are mature enough to harvest. If so, the farmers head to the field and begin plowing up their peanuts.