By Heather Walsh Bloomberg October 24, 2011 Colombia, the world’s second-largest supplier of Arabica coffee beans, may produce its smallest crop in two years in 2011 because of excess rain that poses a risk for next year’s harvest, according to a top growers’ leader. Output may slide to less than 8.5 million bags this year, said Mario Gomez, a member of the board of Colombia’s National Federation of Coffee Growers for almost three decades. In August, the Federation cut its forecast to 9 million bags, from 9.5 million previously. Last year’s crop was 8.9 million bags. “Output could be hit mainly because of the weather,” Gomez said in an interview on Oct. 21 near the city of Manizales in the heart of Colombia’s central coffee-growing region. “Production isn’t responding. Coffee like no other product needs light” and periods of dry weather, he said. Coffee has jumped 25 percent in 12 months as lower production in Colombia contributes to a slide in stockpiles of the...