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Revista de Investigación e Innovación Agropecuaria y de Recursos Naturales
versión impresa ISSN 2409-1618
Resumen
CESPEDES¹, Yuridia; ALVAREZ², Rene; CESPEDES³, Rolando y MARTINEZ³, Zenón. Effect of cutting and fertilization levels of Biol on dry matter yield and production of soft grass seeds (Nasella sp.) with complementary irrigation. RIIARn [online]. 2016, vol.3, n.1, pp.48-54. ISSN 2409-1618.
Abstract This work was performed at the Experimental Station Choquenaira, located in Northem Altiplano of Bolivia. The genetic material used was soft grass Nasella sp. a native species that usually grows in the foothills of the Bolivian Altiplano. To complement the water déficit supplemental irrigation applied by the sprinkler method, and the determination of the water balance was performed with support of the CROPWAT program. Each experimental unit had 12 plants of which 6 plants were mowed. Parallel installation of sprinkler irrigation system was performed. The experimental design used in this study was a factorial design with two factors: the effect of the cut (with cut and uncut) and different levels of bovine biol (control, 15%, 50%, 70% and 100%).The response variables were plant height, number of inflorescences, dry matter, and seed yield. In seed yield significant differences in the levels of bovine factors biol were found. The yield was 29,007 g m-2 with the treatment of 50% biol (3.5 l of biol + 3.5 l of water) with the maximum effect of on cutting against the control.
Palabras clave : Fertilization; irrigation; cutting; yield.