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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934

Resumo

GONZALEZ-SALAS, Uriel et al. Productivity of fodder maize genotypes under organic fertilization and physical-chemical soil properties. Rev. Mex. Cienc. Agríc [online]. 2018, vol.9, n.spe20, pp.4331-4341. ISSN 2007-0934.  https://doi.org/10.29312/remexca.v0i20.1002.

The Lagunera region is the main region of dairy cattle exploitation in the whole country, a process that demands large quantities of forage of the highest quality. Therefore, the objective of this work was to evaluate the forage production on dry basis of three forage corn hybrids, using different amounts of vermicompost and bovine manure for fertilization, as well as to evaluate the effect of these treatments on the physico-chemical properties ground. Under organic fertilization, HT 6806Y, ABT hybrids were tested; DAS2306, from Dow Agrosciences and RX717, from Asgrow. The experiment was established in the Faculty of Agriculture and Zootechnics of the Juarez University of the state of Durango. A randomized blocks design was used in split plots, with three repetitions. The experiment was carried out in the spring-summer cycle of 2014. In the comparison analysis of means the hybrid HT6806Y proved to be superior (p≤ 0.05) with a production of 69.91 t ha-1 of green forage, under the treatment T3 (160 t ha-1 of solarized manure with 3 t ha-1 of vermicompost); on the other hand, the three hybrids showed a good response to organic fertilization, since they all obtained acceptable productions of dry matter of 25.89 t ha-1 (HT6806Y), 26.04 t ha-1 (RX717) and 25.33 t ha-1 (DAS2306). The mixtures of nitrogen sources tested in this study turned out to be a good alternative that competes with the synthetic sources of nitrogen, improving some variables of yield and quality of the forages.

Palavras-chave : manure; corn hybrids; vermicompost.

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