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Soil and water conservation for productivity and environmental protection /
| Hlavní autor: | Troeh, Frederick R. |
|---|---|
| Další autoři: | Hobbs, J. Arthur, Donahue, Roy Luther |
| Médium: | Printed Book |
| Vydáno: |
Englewood Cliffs, N.J. :
Prentice-Hall,
c1980.
|
| Témata: |
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