Biological means of increasing productivity in ponds.
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| Format: | Texto biblioteca |
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1968
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| Subjects: | FISH PONDS, PRODUCTIVITY, FISHERY BIOLOGY, FISHES, RESTOCKING, REPRODUCTION, ETANG DE PISCICULTURE, PRODUCTIVITE, BIOLOGIE DES PECHES, ESTANQUES PISCICOLAS, PRODUCTIVIDAD, BIOLOGIA PESQUERA, POISSON (ANIMAL), REPEUPLEMENT ANIMAL, PECES, REPOBLACION ANIMAL, REPRODUCCION, |
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