Progress and change in the agricultural industry :
Thomas, Gerald W.
Progress and change in the agricultural industry : an overview / by Gerald W. Thomas - Dubuque, Iowa : Kendall/Hunt Pub. Co., c1969. - xvi, 178 p. : ill. ; 23 cm.
Includes bibliographical references and index.
Agriculture--Economic aspects--United States.
Agronomy.
338.1 / THP
Progress and change in the agricultural industry : an overview / by Gerald W. Thomas - Dubuque, Iowa : Kendall/Hunt Pub. Co., c1969. - xvi, 178 p. : ill. ; 23 cm.
Includes bibliographical references and index.
Agriculture--Economic aspects--United States.
Agronomy.
338.1 / THP