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| LEADER |
01052nam a2200373 i 4500 |
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ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a P36
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| 911 |
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|a MS
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| 978 |
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|a JGL
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| 979 |
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|a 14-10-2008
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| 991 |
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|a DOC
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| 991 |
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|a PFJGL3
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| 035 |
|
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|a 028263
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| 041 |
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|a spa
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| 092 |
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|a P36 T664
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| 100 |
1 |
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|a Toneá, A.S.
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| 700 |
1 |
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|a Thurow, T.L.
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| 700 |
1 |
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|a Sierra, H.E.
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| 245 |
1 |
0 |
|a Sustainable management of tropical steeplands: and aáeáment of terraces as a soil and water conservation technology
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| 260 |
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|a Texas (EUA) :
|b ,
|c 1998
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| 264 |
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|a Texas (EUA) :
|b ,
|c 1998
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| 300 |
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|a 52 p.
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| 490 |
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|a Technical Bulletin (EUA)
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| 500 |
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|a Ilus.; 131 ref.
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| 650 |
|
7 |
|a CONSERVACION DE SUELOS
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| 650 |
|
7 |
|a DETERIORO DEL SUELO
|
| 650 |
|
7 |
|a TERRAZAS
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| 650 |
|
7 |
|a ESTUDIO DE CASOS PRACTICOS
|
| 650 |
|
7 |
|a HONDURAS
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| 942 |
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|c BK
|2 agris
|
| 952 |
|
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0857/08c01
|o P36 T664
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0858/08c02
|o P36 T664
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0859/08c03
|o P36 T664
|