Nestled in a hilly corner of central Israel, among miles and miles of orange groves, an unusual museum displays one of the world’s largest tractor collections. Until the 21st century, the orchards around the museum used to be full of whirring tractors as farmers harvested the fruit trees. Back then, Israeli posters and postcards showcased the beautiful 100 square miles of orchard-dotted countryside. Known as the Sharon Plain, the groves stretched between the Mediterranean Sea and the Samarian Hills to the east. But today the farmers and their tractors are…