A sense of crisis prevails among American farmers who rely on immigrant laborers, more so since immigration legislation in the United States Senate failed in June and the authorities announced a crackdown on employers of illegal immigrants. An increasing number of farmers have been testing the alternative of raising crops across the border where there is a stable labor supply, growers and lawmakers in the United States and Mexico said. Western Growers, an association representing farmers in California and Arizona, conducted an informal telephone survey of its members in the spring. Twelve large agribusinesses that acknowledged having operations in Mexico reported a total of 11,000 workers here.
See "Short on Labor, Farmers in U.S. Shift to Mexico", Julia Preston, The New York Times, September 4, 2007