1
Published in 1998
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2
by Paucar, Betty; Gallegos, Patricio; Nieto C., Carlos; Córdova, Juan J.; Rodríguez I., Luis F.; Ochoa L., José; Williams, Roger
Published in 2000
Repository
3
by Oyarzún, Pedro J.; Chamorro, Fernando; Córdova, Juan J.; Merino, Fausto; Valverde, Franklin; Velásquez, José
Published in 2002
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4
Published in 1977
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5
Published in 1994
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6
Published in 1987
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7
8
Published in 1990
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9
Published in 1984
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10
Published in 1984
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11
Respuesta del cultivo de maíz de altura a la aplicación de diferentes niveles de nitrógeno y fósforo
Published in 1986
Repository
12
Published in 1998
Repository
13
Published in 1999
Repository
14
Published in 1999
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15
16
Published in 1999
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17
Published in 1986
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18
Published in 2002
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19
20