The use of urea in the U.S.A. under range conditions
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| Format: | Texto biblioteca |
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1971
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| Subjects: | RANGELANDS, UREA, NITROGEN, RUMINANTS, NUTRITIONAL REQUIREMENTS, BEEF CATTLE, PROTEINS, FEED ADDITIVES, PARCOURS, UREE, TIERRAS DE PASTOS, AZOTE, RUMINANT, BESOIN NUTRITIONNEL, BOVIN DE BOUCHERIE, PROTEINE, ADDITIF AUX ALIMENTS DES ANIMAUX, NITROGENO, RUMIANTE, NECESIDADES DE NUTRIENTES, GANADO DE CARNE, PROTEINAS, ADITIVOS DE PIENSOS, |
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