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01147nam a2200397 i 4500 |
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|a Universidad Nacional Agraria
|b spa
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|a P36
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|a P10
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|a M
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| 978 |
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|a EMF
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| 979 |
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|a 15-11-2002
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|a DOC
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|a NOEC
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|a 016437
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|a eng
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| 092 |
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|a P36 S614
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1 |
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|a Sims, B.
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| 700 |
1 |
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|a Ellis, J.
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| 245 |
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|a Increasing productivity on Hillside farms with emphasis on improved soil conservation Practices. (Honduras, Mexico and Nicaragua). Hillside I. Final Report (ODA Proyect R4843)
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| 260 |
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|a Londres (Inglaterra) :
|b ,
|c 1994
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| 264 |
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|a Londres (Inglaterra) :
|b ,
|c 1994
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|a 118 p.
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| 500 |
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|a Ilus., 50 ref.
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| 650 |
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|a CONSERVACION DE SUELOS
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| 650 |
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7 |
|a CONSERVACION DE AGUAS
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| 650 |
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7 |
|a TERRENO EN DECLIVE
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| 650 |
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7 |
|a ADOPCION DE INNOVACIONES
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| 650 |
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7 |
|a PRODUCTIVIDAD
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| 650 |
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|a ANALISIS DE COSTOS Y BENEFICIOS
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| 650 |
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7 |
|a HONDURAS
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| 650 |
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7 |
|a MEXICO
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| 650 |
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|a NICARAGUA
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| 942 |
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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 D0637/02c01
|o P36 S614
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0646/02c02
|o P36 S614
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