Rival farmers' groups to unite for Jan 26 tractor rallies / Tractors block roads as farmers target supply chain in food shortage 'warning shot' / Tractor protest as minister pledges farmers 'new deal' / Farmer protest: Huge tractor convoy besieges Labour MP's key speech / Year in Review: Waikato dairy farmer's lifetime of collecting and restoring tractors / Voices: Do you support the 'tractor tax' on inherited farms? Join The Independent Debate / Iconic tractor producer backs farmers in row over tax hike and says 'we need to look after people who feed us' / Taxes and tractors in the US election / Farm tractors production down 26.85pc in two months / Dejavu for tractor parts industry in a FBR created crisis: PAAPAM