Principles of conservation
Subtitle: economics and policy
By: by Earl O. Heady and O.J. Scoville
Series: Research bulletin -- 382; Research bulletin (Iowa Agricultural Experiment Station) -- 382
Publisher: Agricultural Experiment Station, Iowa State College
Published: 1951
Place of publication: Ames, Iowa
Language: eng
Number of pages: 414
Subjects: Soil conservation; Economic aspects
Notes: Includes bibliographical references.