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Revista de Investigación e Innovación Agropecuaria y de Recursos Naturales
versión impresa ISSN 2409-1618
Resumen
TICONA GUANTO¹, Olga; CESPEDES², Rolando; MARTINEZ², Zenón y CHIPANA², Gladys. Application of Biol and sprinkler irrigation in the production of forage barley (Hordeum vulgare) in the municipality of Viacha. RIIARn [online]. 2016, vol.3, n.1, pp.39-47. ISSN 2409-1618.
Abstract In the Bolivian Altiplano, one of the main sources of income is raising cattle, whose main food sources are natural pastures, including forage barley. In terms of barley production it is difficult to reach the expected yield, due to the constraining natural conditions of the region. In order to look for solutions to this problem a study was conducted atthe Experimental Station of Choquenaira, located in the municipality of Viacha. The main objective was to evaluate the implementation of Biol (organic liquid fertilizer), under conditions of both sprinkler irrigation and rain-fed, in two periods, to establish differences in agronomic and bromatological variables, in terms of dry matter yield. The methodology involved the use of forage barley variety IBTA-80, to which bovine Biol was applied at 0%, 25%, 50% and 75%, under sprinkler irrigation and rain fed conditions, resulting eight treatments arranged in a randomized blocks design, with split plots arrangements. The results showthat the application of Biol, produces higheryields. With application of 75% of Biol, a yield of 7.30 t ha-1 was obtained in the rain-fed treatment, and 14 t ha-1 in the irrigation treatment. Additionnality, the nutritional composition shows high protein content of 28% for rain-fed at 75% of Biol and 24.3% for sprinkler irrigation at 25% of Biol. In addition, the crude fibber content under rain fed production was 33,94% at 0% of Biol and 34,34% at 25% of Biol under irrigation, results that were obtained from the first cut, the energy value reached 202,39 Kcal 100gM-1 at 0% of Biol under rain fed, and 206,35 Kcal 100gM-1 at 50% of Biol, under sprinkler irrigation during the second cut.
Palabras clave : Forage Barley; Biol; irrigation; rain fed.