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|a Universidad Nacional Agraria
|b spa
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|a P36
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|a M
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|a bgf
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|a 18-10-2004
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|a DOC
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|a OCT-04Rá1
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|a 019604
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|a eng
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|a P36 R696
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| 100 |
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|a Rodriguez Rojas, M.
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|a Ecological degradation and styles of farming in steep sloped hilly areas case studies from Nicaragua research proposal
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| 260 |
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|a Managua (Nicaragua) :
|b ,
|c 1993
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| 264 |
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|a Managua (Nicaragua) :
|b ,
|c 1993
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|a 26 p.
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|a Ilus., 25 ref.
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| 650 |
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|a DEGRADACION
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| 650 |
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|a DETERIORO DEL SUELO
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| 650 |
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7 |
|a ESTUDIOS DE CASOS PRACTICOS
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| 650 |
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7 |
|a INVESTIGACION
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| 650 |
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7 |
|a PROYECTOS DE DESARROLLO
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| 650 |
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|a CARACTERISTICAS DEL SITIO
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| 650 |
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7 |
|a DEFORESTACION
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|a ENTORNO SOCIOECONOMICO
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|a ECOLOGIA FORESTAL
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|c BK
|2 agris
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1038/04
|o P36 R696
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