SOURCES OF NITROGEN AND MODES OF APPLICATION IN MAIZE UNDER NO TILLAGE CROP

Authors

  • F. H. Kaneko
  • O. Arf
  • M. T. Sabundjian
  • J. P. Ferreira
  • D.C. Gitti
  • A.J.F. Leal
  • V. Nascimento

DOI:

https://doi.org/10.18011/bioeng2015v9n2p191-196

Keywords:

topdressing, incorporation, nitrogen management, Cerrado

Abstract

Maize is one of the most demanding cultures fertilizers, especially nitrogen. Thus this study aimed to evaluate, in cerrado soil, the effect of N sources and application methods with and without merger by irrigation water, in maize in no-till system. The experiment was conducted in red Latosol. The experimental design was randomized blocks with 12 treatments in a factorial 3x2x2, with four replications. Treatments consisted of two N sources (urea, ammonium nitrate and witness - without N), two application methods (broadcasted and banded) with or without incorporating with blade irrigation of 10 mm. were evaluated: the mass of one hundred grains and grain yield (kg ha-1). It can be concluded that there was effect of nitrogen fertilization, and ammonium nitrate provided the highest grain yield. Regarding the picture modes when N fertilizer was applied to haul obtained the highest grain yield. Since the incorporation of the N irrigation with 10 mm blade, but it influenced the mass of grains, not increased the grain yield.

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References

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Published

2015-06-30

How to Cite

Kaneko, F. H., Arf, O., Sabundjian, M. T., Ferreira, J. P., Gitti, D., Leal, A., & Nascimento, V. (2015). SOURCES OF NITROGEN AND MODES OF APPLICATION IN MAIZE UNDER NO TILLAGE CROP. Revista Brasileira De Engenharia De Biossistemas, 9(2), 191–196. https://doi.org/10.18011/bioeng2015v9n2p191-196

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Section

Regular Section