A study of one Iowa watershed by USDA and Iowa State University economists points up the need for examining alternative methods for watershed management in controlling soil erosion and damage-producing runoff.
Andersen, Jay C.; Landgren, Norman E.; Heady, Earl O.; and Timmons, John F.
"What Approach to Watershed Management?,"
Iowa Farm Science: Vol. 18
, Article 3.
Available at: https://lib.dr.iastate.edu/farmscience/vol18/iss10/3