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|a Sistema de Bibliotecas de la Universidad Nacional de Agricultura
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|a Hardy Frederick
|9 9698
|
| 245 |
|
|
|a SUELOS TROPICALES /
|b PEDOLOGIA TROPICAL CON ÉNFASIS EN AMÉRICA :
|c Frederick Hardy
|
| 250 |
|
|
|a 1a. ed.
|
| 260 |
|
|
|a México
|b Herrero Hermanos, Sucesores, S.A
|c 1970
|
| 300 |
|
|
|a 334 p.
|b Fig. Cuad.
|
| 650 |
|
|
|x SUELOS TROPICALES
|x PRINCIPIOS FUNDAMENTALES DE PEDOLOGIA
|x CLIMA
|x ORGANISMOS
|x DESCOMPOSICIÓN DE LA MATERIA VEGETAL ROCA MADRE
|x MINERALES DE LA ARCILLA Y SU FORMACIÓN
|x TIEMPO
|x CLASIFICACIÓN DE SUELOS
|9 9699
|
| 942 |
|
|
|2 ddc
|c BK
|