Costs, returns and capital requirements for soil-conserving farming on rented farms in western Iowa /
Jensen, Harald,author.
Heady, Earl O.(Earl Orel),1916-1986,author.
Baumann, Ross V.,author.
Iowa State College.Agricultural Experiment Station.
Iowa State College.Department of Economics and Sociology.
United States.Agricultural Research Service.Production Economics Research Branch.
United States.Agricultural Research Service.
United States.Soil Conservation Service.
United States.Agricultural Conservation Program Service.
Title from front cover.
Includes bibliographical references.