Ag sciece

By Jessica22

  • Cotton Gin

    Eli Whitney
  • Period: to

    Ag sciece

  • Iron plow

    Thomas Jefferson

  • Grain Reaper

    Cyrus McCormick

  • seed Planter

    Henry Blair

  • Cotton Planter

    Henry Blair

  • Steel moldbord plow

    John Deere

  • Corn Picker

    Edmund Quincy

  • Barbed wire

    Joseph Glidden

  • Milking machine

    Anna Baldwin

  • Perishable food Preservation

    Thomas Elkins

  • soil improvement and crop rotaion

    Goerge Washington

  • Tractor

    Ben Holt

  • ffa becomes a national organisation

  • creed got adopted

  • FFA

    receved a Federal Charter from congress

  • FFA and NFA merged

  • Girls joined the FFA

  • Gene gun

    John Sanford

  • FFA symbol changed

  • Tractor based GPS

  • Robotic Milking Machines

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