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01287nam 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 E10
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908 |
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|a P33
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909 |
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|a P34
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911 |
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|a AM
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978 |
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|a RS
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979 |
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|a 04-06-2001
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991 |
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|a TEXTO
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991 |
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|a ROMAY
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020 |
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|a ISBN 0-89118-796-0
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035 |
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|a 013149
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041 |
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|a spa
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092 |
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|a F04 F667
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100 |
1 |
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|a Shaffer, M.J.=700 1
|a Halvorson, A.D.
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700 |
1 |
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|a Pierce, F.J.
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245 |
1 |
0 |
|a Nitrate leaching and economic analysis package (NLEAP): model description and application
|
773 |
0 |
# |
|t Managing nitrogen for groundwater quality and farm profitability: Proceedings of a Symposium sponsored by Divisin A-5 of the American Society of Agronomy; S-1, S-3, S-4, S-6, and S-8 of the Soil Science Society of America; and Division C-3 and C-5 of the Crop Science Society of America, Anaheim, CA, 1988
|d Wisconsin (EUA) , 1991
|x ISBN 0-89118-796-0
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300 |
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|a p. 285-322
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500 |
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|a Ilus.; 13 ref.
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650 |
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7 |
|a ANALISIS ECONOMICO
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650 |
|
7 |
|a PROPIEDADES FISICO-QUIMICAS SUELO
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650 |
|
7 |
|a NITRATOS
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650 |
|
7 |
|a MINERALIZACION
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650 |
|
7 |
|a METODOS
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650 |
|
7 |
|a NITRIFICACION
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650 |
|
7 |
|a MATERIA ORGANICA
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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 L0568/00
|o F04 F667
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