International co-operation in the exchange of plant propagation material and in research on propagation techniques.
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Format: | Texto biblioteca |
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1969
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Subjects: | PL PTF, RESEARCH, PLANT PROPAGATION, INTERNATIONAL COOPERATION, PLANT PRODUCTION, BOTANY, RECHERCHE, MULTIPLICATION DES PLANTES, COOPERATION INTERNATIONALE, INVESTIGACION, PROPAGACION DE PLANTAS, COOPERACION INTERNACIONAL, PRODUCTION VEGETALE, BOTANIQUE, PRODUCCION VEGETAL, BOTANICA, |
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