Over 90 percent of the farmers cooperating with the Soil Conservation Service who were interviewed in this study reported that the program had reduced sheet and gully erosion; 55 percent stated that sheet erosion had been greatly reduced or stopped, while almost 70 percent reported that gully erosion had been greatly reduced or stopped.
Bunce, Arthur C.
"The farmer looks at soil conservation in southern Iowa,"
Bulletin: Vol. 34
, Article 1.
Available at: https://lib.dr.iastate.edu/bulletin/vol34/iss381/1