Report on the 1956 forestry seminar and study tour in the u.s.s.r. - 21 Aug - 2 Oct 1956.
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| Format: | Texto biblioteca |
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1958
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| Subjects: | EXTENSION ACTIVITIES, FORESTRY, FOREST LAND, WINDBREAK TREES, SANDY SOILS, AFFORESTATION, EROSION CONTROL, TRAINING CENTRES, SPECIES, VULGARISATION, FORESTERIE, EXTENSION, CIENCIAS FORESTALES, TERRAIN FORESTIER, ARBRE BRISE VENT, SOL SABLEUX, EXTENSION FORESTIERE, LUTTE ANTIEROSION, CENTRE DE FORMATION, ESPECE, TIERRAS FORESTALES, ARBOLES ROMPEVIENTOS, SUELO ARENOSO, AFORESTACION, CONTROL DE LA EROSION, CENTROS DE CAPACITACION, ESPECIES, |
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