Arms for the struggle (Classification and evaluation of some techniques against desertification)
2 tables, photographs
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| Main Authors: | , |
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| Format: | Texto biblioteca |
| Language: | |
| Subjects: | LAND USE, SOIL MANAGEMENT, DESERTIFICATION, ARID ZONES, PHYSICS, BIOLOGY, EVALUATION, WATER MANAGEMENT, CULTURAL METHODS, PRODUCTIVITY, FARMING SYSTEMS, UTILISATION DES TERRES, GESTION DU SOL, ZONE ARIDE, UTILIZACION DE LA TIERRA, MANEJO DEL SUELO, DESERTIFICACION, ZONA ARIDA, PHYSIQUE, BIOLOGIE, GESTION DES EAUX, MODE DE CULTURE, PRODUCTIVITE, SYSTEME D'EXPLOITATION AGRICOLE, FISICA, BIOLOGIA, EVALUACION, ORDENACION DE AGUAS, METODOS DE CULTIVO, PRODUCTIVIDAD, SISTEMAS DE EXPLOTACION, |
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