Drainage and soil conservation in the Alentejo region, (Portugal. Contour ploughing and cultivation methods)
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Dec
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| Subjects: | CONTOUR CULTIVATION, SOIL CONSERVATION, DRAINAGE, CULTURE EN COURBE DE NIVEAU, CONSERVATION DES SOLS, CULTIVO EN CURVAS DE NIVEL, CONSERVACION DE SUELOS, DRENAJE, |
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