EVALUATION OF AGRICULTURAL SEDIMENT CONTROL PRACTICES RELATIVE TO WATER QUALITY PLANNING
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Control of sediment has become increasingly important as an
element of many water quality improvement programs. An analytical
method using the universal soil loss equation and linear programming to
determine the cost-effectiveness of alternative sediment control practices is
developed. Applications of this method to four case study farms and a
hypothetical watershed are analyzed. The analyses illustrate the need for
developing priorities so as to achieve greatest reduction in sediment losses
per dollar of cost. The costs per unit of sediment reduction vary greatly with
area, soil, and strategy or technique used.