EFFICIENT MANAGEMENT OF THE TIME AND DOSE OF NITROGEN APPLICATION IN LINSEED

Authors

  • Danieli Jacoboski Hutra Universidade Regional do Noroeste do Estado do Rio Grande do Sul, R. do Comércio, 3000 - Universitário, CEP 98700-000 – Ijuí, RS, Brazil.
  • Ivan Ricardo Carvalho Universidade Regional do Noroeste do Estado do Rio Grande do Sul, R. do Comércio, 3000 - Universitário, CEP 98700-000 – Ijuí, RS, Brazil.
  • Jose Antonio Gonzalez da Silva Universidade Regional do Noroeste do Estado do Rio Grande do Sul, R. do Comércio, 3000 - Universitário, CEP 98700-000 – Ijuí, RS, Brazil.
  • Caroline Huth Company Cisbra, Rua Ragnar Thorstemberg 288 - Lambari, Ijuí - RS, CEP 98700-000.
  • Murilo Vieira Loro Universidade Federal de Santa Maria, Centro de Ciência Rurais, Departamento de Fitotecnia, Avenida Roraima, Cidade Universitária, Camobi, Prédio 77, CEP 97105-900 Santa Maria, RS, Brazil.
  • Cristian Zimmermann Universidade Regional do Noroeste do Estado do Rio Grande do Sul, R. do Comércio, 3000 - Universitário, CEP 98700-000 – Ijuí, RS, Brazil.
  • Jaqueline Sangiovo Universidade Regional do Noroeste do Estado do Rio Grande do Sul, R. do Comércio, 3000 - Universitário, CEP 98700-000 – Ijuí, RS, Brazil.
  • Natã Balssan Moura Universidade Regional do Noroeste do Estado do Rio Grande do Sul, R. do Comércio, 3000 - Universitário, CEP 98700-000 – Ijuí, RS, Brazil.

DOI:

https://doi.org/10.37856/bja.v97i1.4301

Abstract

The objective of this work was to identify the agronomic response of the linseed crop subjected to different doses of nitrogen applied at different times throughout the development of the crop. The experimental design used was randomized blocks, organized in a factorial scheme with five nitrogen application times (0, 10, 30, 60 and 90 days after sowing) x five nitrogen doses (0, 30, 60, 90 and 120 kg ha-1) in three replications, totaling 75 experimental units. Nitrogen applications between 23 and 39 days potentiate the height of the first capsule, number of capsules and grain yield. Doses of 45 to 83 kg ha-1 of nitrogen maximize the number of capsules, stem diameter, number of capsules that formed grains and grain yield. The correlation indicates that the grain yield was determined by the final plant population and weight of grains per plant.

References

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Published

2022-04-30

Issue

Vol. 97 No. 1 (2022)

Section

Artigos