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00728nam a22002291a 4500 |
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080728s2004 flu 000 0 eng d |
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|a 0849312949
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a 631.417
|b S683s
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|a Soil organic matter in sustainable agriculture /
|c edited by Fred Magdoff, Ray R. Weil.
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| 260 |
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|a Boca Ratón, Fda :
|b CRC Press ,
|c c2004.
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| 300 |
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|a 398 p. :
|b ill. ;
|c 26 cm.
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| 500 |
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|a Bibliografía : p. 363-376
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|a HUMUS
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|a MATERIA ORGÁNICA DEL SUELO
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| 650 |
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|a SOSTENIBILIDAD
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|a SUELOS
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|a ECOSISTEMAS
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| 700 |
1 |
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|a Magdoff, Fred,
|d 1942- .
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| 700 |
1 |
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|a Weil, Ray R.
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