When "Farmer Buzz" Fournier fired up the vintage John Deere tractors at the former Young's Farm this past Friday afternoon, it signaled a rebirth of the Dewey-Humboldt land that has been vacant for nearly five years.Gary and Sharla Mortimer, owners of Mortimer Nursery and Landscape Center in Prescott and Ash Creek Ranch in Dewey, recently secured a long-term lease on the property, and with astonishing speed, have cleaned up and prepared the neglected fields for planting this spring under the name Mortimer Family Farms.