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A guide to the study of soil ecology /
by Andrews, William A.
Publication:
Englewood Cliffs, N.J. : Prentice-Hall, 1973
. x, 198 p. :
23 cm.
Date:1973
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(2),
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EARTH'S RESOURCES SERIES
Publication:
MCGRAW-HILL 1970
Date:1970
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(1),
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P.E.I. SOIL & CROP IMPROVEMENT ASSOCIATION
Publication:
1981
Date:1981
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Our soils and their management : increasing production through environmental soil and water conservation /
by Donahue, Roy Luther,
Publication:
Danville, Ill. : Interstate Printers & Publishers, 1976
. xviii, 791 p. :
24 cm.
Date:1976
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A growing concern : soil degradation in Canada : Council statement /
Publication:
Ottawa, Canada : The Council, 1986
. 24, 24 p. :
, Title on added t.p.: La deĢgradation du sol au Canada : un mal en progression.
28 cm.
Date:1986
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ECOLOGY AND MAN
Publication:
MCGRAW-HILL 1965
Date:1965
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THE SOUL OF SOIL: A GUIDE TO ECOLOGICAL SOIL MANAGEMENT. 2D ED.
by GERSHUNNY, GRACE
Publication:
GAIA SERVICES 1986
Date:1986
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LAND USE AND ABUSE
by Herda, D.J.
Publication:
Watts 1990
. 143 p.
Illustrated.
Date:1990
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