La defense des sols dans le Nord-est bresilien.
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| Format: | Texto biblioteca |
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| Published: |
1959
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| Subjects: | SOIL CONSERVATION, PLANT SOIL RELATIONS, PLANT PRODUCTION, CROPPING SYSTEMS, RECLAMATION, CONSERVATION DES SOLS, CONSERVACION DE SUELOS, RELATION PLANTE SOL, PRODUCTION VEGETALE, SYSTEME DE CULTURE, RECUPERATION DES SOLS, RELACIONES PLANTA SUELO, PRODUCCION VEGETAL, SISTEMAS DE CULTIVO, REHABILITACION DE TIERRAS, |
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