Farmers in Spain, joining their counterparts in Germany, France and other European countries who have protested recently, took their tractors on Tuesday to block motorways, country roads and access routes to ports, large markets and industrial areas. Demonstrations started in the early morning hours in many regions, including Madrid, Barcelona, Valencia, Málaga and Zaragoza. In some cases the blockades resulted in traffic jams that stretched for several kilometres. The farmers are demanding fair prices for their products, the retention of the tax reduction for agricultural diesel fuel, stricte…