In less than a month, more than 100,000 people will descend on the Tulare International Agri-Center to stroll through rows of imposing tractors while smoke from grilled rib eye steaks and hamburgers wafts through the air at the 59th annual World Ag Expo. … This year there will be 12 seminars devoted to water-related issues, including invasive golden mussels, groundwater recharge, irrigation technology and land and water conservation. Water seminars will take place each day of the show with just a few highlighted below.