Qualidade tecnológica e produtividade da cana-de-açúcar sob doses de nitrogênio via fertirrigação subsuperficial por gotejamento

Translated title of the contribution: Technological quality and yield of sugarcane grown under nitrogen doses via subsurface drip fertigation

Andressa F.L. Rhein, Renata P. Pincelli, Marcel T. Arantes, William J. Dellabiglia, Oriel T. Kölln, Marcelo de A. Silva

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

This study characterized the technological quality and yield of sugarcane cv. SP80-3280 under nitrogen doses via subsurface drip fertigation. Five treatments were established using N-fertilizer in the form of urea (0, 50, 100, 150 and 200 kg N ha-1), with four replicates, applied via subsurface drip fertigation. The technological quality (fiber% cane; Brix% juice; pol% juice, pol% cane; juice purity and total recoverable sugar -TRS), as well as yield of stalks and sugar were determined 381 days after the third harvest. The technological variables Brix%, pol% juice, purity% and TRS of sugarcane, cultivar SP80-3280, were altered by the application of nitrogen doses via subsurface drip fertigation, with significant reductions at the dose of 200 kg N ha-1. Stalk and sugar yields increased linearly with the increment in nitrogen doses applied through subsurface drip fertigation.

Translated title of the contributionTechnological quality and yield of sugarcane grown under nitrogen doses via subsurface drip fertigation
Original languagePortuguese
Pages (from-to)209-214
Number of pages6
JournalRevista Brasileira de Engenharia Agricola e Ambiental
Volume20
Issue number3
DOIs
StatePublished - Mar 2016

Keywords

  • Full irrigation
  • Nitrogen fertilization
  • Pol% cane
  • Saccharum spp.
  • Yield

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