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Costa, Newton; Magalhães, João Avelar; Rodrigues, Braz Henrique Nunes; Santos, Francisco José de Seixas; Andrade Junior, Aderson Soares; Araújo Neto, Raimundo Bezerra de; Azevêdo, Danielle Maria Machado Ribeiro; Pompeu, Roberto Claudio Fernandes Franco; Castro, Karina Neoob de Carvalho

Produção e composição química de variedades de cana-de-açúcar com fins forrageiros sob irrigação e adubação Yield and chemical composition sugarcane forage varieties under irrigation and fertilization Producción y composición química de variedades de caña de azúcar con fines forrajeros bajo riego y fertilización

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  • Media type: E-Article
  • Title: Produção e composição química de variedades de cana-de-açúcar com fins forrageiros sob irrigação e adubação Yield and chemical composition sugarcane forage varieties under irrigation and fertilization Producción y composición química de variedades de caña de azúcar con fines forrajeros bajo riego y fertilización
  • Contributor: Costa, Newton; Magalhães, João Avelar; Rodrigues, Braz Henrique Nunes; Santos, Francisco José de Seixas; Andrade Junior, Aderson Soares; Araújo Neto, Raimundo Bezerra de; Azevêdo, Danielle Maria Machado Ribeiro; Pompeu, Roberto Claudio Fernandes Franco; Castro, Karina Neoob de Carvalho
  • Published: Editora MV Valero, 2018
  • Published in: Pubvet, 12 (2018) 12
  • Language: Not determined
  • DOI: 10.31533/pubvet.v12n12a230.1-10
  • ISSN: 1982-1263
  • Origination:
  • Footnote:
  • Description: <jats:p>The effects of varieties, irrigation and fertilization on the production and chemical composition of sugarcane with forage purposes were evaluated in Parnaíba, Piauí. The experimental design was in randomized blocks, in a 2 x 5 x 4 factorial scheme, with four replications. The treatments consisted of two irrigation depths (50% and 100% of the reference evapotranspiration - ETo), five sugarcane varieties (RB962962, RB867515, RB92579, RB863129 and RB98710) and four doses of fertilization (70 + 63; 140 + 126; 210 + 189 and 280 + 252 kg of N + K2O/ha/ year, respectively). The planting was carried out in July 2015 and the harvest in July 2016. The sugarcane varieties RB962962 and RB867515 stood out from the others, presenting high productivity of biomass and higher percentage of stalks, reconciled with satisfactory levels of soluble solids (sugars). For the northern Piauí conditions, considering the productivity, improvement of the chemical composition and the possibility of water saving, the applied water depth (irrigation depth + 1,696 mm of rainfall), associated with the application of 70 kg of N and 63 kg of K2O /ha/ year, can be used in the production of biomass of sugarcane for fodder purposes.</jats:p>
  • Access State: Open Access