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01179nam a2200409 i 4500 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a E14
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| 908 |
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|a F07
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| 911 |
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|a MS
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| 978 |
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|a RSM
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| 979 |
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|a 23-12-1997
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| 980 |
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|a EMF
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| 981 |
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|a 04/08/2021
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| 991 |
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|a DOC
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| 991 |
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|a EMF040821
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| 991 |
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|a ACTUALIZACION DE REGISTRO 1997
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| 035 |
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|a 004558
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| 041 |
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|a eng
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| 092 |
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|a E14 E67
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| 100 |
1 |
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|a Erenstein, Olaf
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| 245 |
1 |
0 |
|a Are productivity enhancing, resource conserving technologies a viable "win-win" approach in the tropics? The case of conservation tillage in México
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| 260 |
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|a México (México) :
|b CIMMYT,
|c 1997
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| 264 |
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|a México (México) :
|b CIMMYT,
|c 1997
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| 300 |
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|a 10 p.
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| 490 |
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|a Reprint series (CIMMYT)
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| 500 |
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|a Ilus.; 6 ref.
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| 650 |
|
7 |
|a TRANSFERENCIA DE TECNOLOGIA
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| 650 |
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7 |
|a SOSTENIBILIDAD
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| 650 |
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7 |
|a LABRANZA DE CONSERVACION
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| 650 |
|
7 |
|a CONSERVACION DE SUELOS
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| 650 |
|
7 |
|a SISTEMAS DE EXPLOTACION
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| 650 |
|
7 |
|a SISTEMAS DE CULTIVO
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| 650 |
|
7 |
|a ADOPCION DE INNOVACIONES
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| 650 |
|
7 |
|a ZONA TROPICAL
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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 D0705/97
|o E14 E67
|