Soil conservation /
Konke, Helmut
Soil conservation / Helmut Kohnke and Anson R Bertrand - New York : McGraw-Hill Book Company, c1959. - xvi, 298p. : ill. ; 24 cm.
Include bibliographical references and index.
Soil science.
Soil conservation.--Congresses.
Soil conservation.
631.4 / KOS
Soil conservation / Helmut Kohnke and Anson R Bertrand - New York : McGraw-Hill Book Company, c1959. - xvi, 298p. : ill. ; 24 cm.
Include bibliographical references and index.
Soil science.
Soil conservation.--Congresses.
Soil conservation.
631.4 / KOS