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| LEADER |
00834nam a2200313 i 4500 |
| 007 |
ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a F04
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| 911 |
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|a AM
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| 978 |
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|a EMF
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| 979 |
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|a 03-07-2001
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| 991 |
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|a DOC
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| 991 |
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|a JUNEC
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| 035 |
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|a 013286
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| 041 |
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|a spa
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| 092 |
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|a PCCMCA 39a 1993
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| 100 |
1 |
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|a Marrero, V.=700 1
|a Guzmán, J.
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| 700 |
1 |
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|a Del Vallín, G.
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| 700 |
1 |
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|a John, C.
|
| 245 |
1 |
0 |
|a Empleo de zeofert III como alternativa a la fertilización mineral nitrogenada
|
| 773 |
0 |
# |
|t Memoria
|d Guatemala (Guatemala) , 1993
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| 300 |
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|a p. 160-161
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| 500 |
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|a Ilus.; 2 ref.
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| 650 |
|
7 |
|a ZEA MAYS
|
| 650 |
|
7 |
|a ABONOS NITROGENADOS
|
| 650 |
|
7 |
|a DOSIS DE APLICACION
|
| 650 |
|
7 |
|a CARACTERISTICAS DEL SITIO
|
| 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 D0598/01
|o PCCMCA 39a 1993
|