The average charge for saw-ginning and wrapping a 480-pound net-weight bale of cotton in the United States fell to $42.37 per bale in 1994/95 from $43.28 in 1993/94. A total of 1,300 active cotton gins operated in the 14 major cotton-producing States in 1994/95, down from 1,357 a year earlier....

It is not economically feasible to supplement natural air drying of high-moisture shelled corn by adding heat (solar and otherwise). In some cases, that drying method speeds product deterioration. A simulatiton analysis of the west central Great Plains determined that benefits from adding solar...