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Revista de Investigación e Innovación Agropecuaria y de Recursos Naturales
versão impressa ISSN 2409-1618
Resumo
GUTIERREZ GONZALES, Eddy Diego; CORIA GARCIA, Octavio Mártir e CONDORI MURGA, Verónica Elisa. Agronomic performance of oat varieties (Avena sativa L.), with levels of coca leaf (Erythroxylum coca) ground as green manure in Kallutaca, La Paz. RIIARn [online]. 2021, vol.8, n.1, pp.17-24. Epub 30-Jun-2021. ISSN 2409-1618. https://doi.org/10.53287/iwow6036su98o.
In the Central Altiplano of Bolivia, the production of forage oats is important for the feeding of herbivorous livestock; however, the yields obtained at the producer level register low averages in dry matter. The objective was to evaluate the agronomic performance of three oat varieties, with levels of ground coca leaf as green manure, at the Kallutaca Experimental Center in the department of La Paz. A randomized block design was applied with a divided plot arrangement with four replications. The factors were oat varieties (Aguila, Gaviota and Texas) and levels of ground coca (0, 30 and 60t ha-1), with variables daysto emergence, numberof tillers, plant height and dry matter yield. The results at days to emergence show differences in time 60 and 0 t ha-1with 14 and 11 days. In relation to the number of tillers per plant, in varieties the behavior is similar with an average of 7 tillers; in relation to interaction, the values show significance. In plant height, the means recorded for the Texas variety were 137.10 cm, in the interaction the values were equal. In dry matter, there were significant differences in 60 and 30 t ha-1 with 16 427.27 and 15 281.82 kgDM ha-1, the Gaviota variety with 14 706.06 kgDM ha-1. The treatments influenced the agronomic behavior of the variables studied, the levels of green manure affected oat yield, mainly the number of tillers, which in turn affected the dry matter yield, finally the oat varieties have a differential behavior with the change in the levels of green manure.
Palavras-chave : Avena sativa L.; green manure; Erythroxylum coca; production; yield..