41. Their farm income comes from a variety of sources. 42. Yet the abundant supply of agricultural goods is keeping prices down and further depressing farm incomes . 43. Farm incomes and the income for the general population recovered fast since the beginning of 1933.44. The program supports farm income and supposedly ensures a plentiful supply of cheap food for Americans. 45. That federal money will account for nearly half of all farm income , Agriculture Department figures show. 46. But they would certainly sympathize with the underlying logic of using regulation to augment farm income . 47. Farm income across the country is expected to plunge 20 percent this year from 1997 levels.48. Farm income in Parana rose an average of 24 percent per year in the last decade.49. Both tout support for export programs and access to free markets, a linchpin for farm income . 50. Exports account for about 30 cents for each dollar in U . S . farm income .