Erosion on Joe M. Johnston's farm 10 miles NW of Knoxville in Marion County, Iowa. Every other row of corn washed out of this 40-acre field. Worked and planted up and down hill 30 to 40 tons of soil loss per acre.
Bill Young, son-in-law of Ernest Harms approaching a bromegrass waterway with a tractor. The waterway is used as a turnstrip in cultivating corn, in Underwood, Iowa.
The Iowa DNR recommends trees, shrubs and prairie seed grown in Iowa, to be used as a living snow fence because these plants are suitable for Iowa's growing conditions.
