Published: 1998-07-31

CIENCIA AGRARIA

Effect of four different water managements on strawberry yields in Valdivia, Chile

Juan Nissen M., Juan Enrique Hoffmann F.

1-11

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Trained human resources in Chilean dairy industry

needs and interests

María Beatriz Vera O., Carlos Amtmann M., Haroldo Magariños H., Mónica Raddatz T.

12-18

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Temporal stability of yield the mutant wheat genotypes using the Additive Main effect and Multiplicative Interaction model (AMMI)

Jaime Solano S., Patricio Barriga B., Aage Krarup H., Heriberto Figueroa S.

19-32

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Economic evaluation ot the agricultural tractors sold in Chile

Edmundo Hetz, Aracely Huerta, Susana Villar, Marco López R.

33-43

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Annual use to economically justify the ownership of some high price agricultural machines

Marco López Roudergue, Edmundo Hetz Huenchullán

44-52

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Importance of the ridges orientation of a potato (Solanum tuberosum ssp. tuberosum) cultivar, on its productivity, under Valdivia conditions, X Region, Chile

Antón Huber, Andrés Contreras, Daniel Hettich

53-62

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Effects of the annual use and the depreciation method upon the fixed operating costs of a tractor, no-till seeder and grain harvester

Marco A. López Roudergue, Edmundo J. Hetz

63-69

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CIENCIA PECUARIA

White lupin lupinus albus and australian lupin l. angustifolius grain fed whole or ground for finishing steers

Claudio Rojas, Adrián Catrileo

70-77

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NOTAS TÉCNICAS

Mapping of QTLS associated with milk production: Present status

G. Giovambattista, M.V. Ripoli, P. Peral-García, J.C. De Lúea, F.N. Dulout

78-96

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Raw milk chemical composition and its variations at tank level in dairy plants of the VIII, IX and X regions of Chile

Manuel Pinto C., Erwin Carrasco R., Bernardo Fraser L., Andrea Letelier H., Walter Dörner P.

97-109

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Separation using electophoresis of the caseinomacropeptide (PAGE-SDS) liberated by chymosin over k-casein. Effect of the proteolysis caused by psychrotrophic bacterias

Georgina Urbán C., Norma Pérez F., Salvador Vega y León, Cristina Fresan O., Julia Pérez R., Guadalupe Prado F., Magdalena González L., Clementina González C., Acacia Ramírez A., Manuel Pinto C.

110-120

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Comparative study of honey bee production in Nueva Imperial zone, IX Region, Chile with one and two queens system by beehive

Dagoberto Villarroel T., Ramón Rebolledo R., Alfonso Aguilera P.

121-126

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