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|a spa
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|a 631.4
|b A473d
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|a Alvarenga, Amanda del Carmen
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| 245 |
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|a Determinación de residuos de paraquat en suelos agrícolas de la zona occidental (Región 1) de El Salvador /
|c Amanda del Carmen Alvarenga, Angela Rogelina Cárdenas Gomar; Asesor: Gloria Ruth Calderón.
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| 264 |
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|a San Salvador :
|b Universidad de El Salvador,
|c 1990
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| 300 |
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|a [18], 64+ [16] hojas :
|b ilustraciones ;
|c 27 cm
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| 336 |
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|2 rdacontent
|a texto
|b txt
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| 337 |
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|2 rdamedia
|a no mediado
|b n
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| 338 |
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|2 rdacarrier
|a volumen
|b nc
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| 500 |
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|a Incluye Resumen, Apendice.
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| 502 |
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|a Tesis (Licenciado en Quimica y Farmacia.) -- Universidad de El Salvador,1990.
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| 504 |
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|a Incluye Bibliografía
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| 505 |
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|a Revisión bibliográfica: generalidades sobre malezas y su control, Factores que afectan el comportamiento de herbicidas en el suelo, Metodología de análisis utilizadas para determinación de paraquat -- Parte experimental.
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| 650 |
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|a SUELOS AGRICOLAS
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| 700 |
1 |
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|a Cárdenas Gomar, Angela Rogelina
|e autora
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| 700 |
1 |
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|a Calderón, Gloria Ruth
|e asesora
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| 942 |
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|c TS
|2 ddc
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| 991 |
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