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150714b xxu||||| |||| 00| 0 spa d |
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|a Sistema de Bibliotecas de la Universidad de Panamá
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| 082 |
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|a T 633.18
|b Au31
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|a Aued Huerta, Jorge Oscar
|9 179484
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| 245 |
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|a Estudio comparativo del efecto de diferentes fuentes de nitrógeno en el cultivo de arroz
|c / por Jorge Oscar Aued Huerta. --
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|a Panamá :
|b Universidad,
|c 1970.
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| 300 |
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|a p.v. :
|b ilus. ;
|c 28 cm.
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|a NITROGENO COMO FERTILIZANTE
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