2008
DOI: 10.1590/s0006-87052008000400018
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Resposta de soqueiras de cana-de-açúcar à aplicação de nitrogênio em sistema de colheita sem queima

Abstract: RESUMOSão restritas as informações sobre a resposta de soqueiras de cana-de-açúcar à aplicação de nitrogênio em colheita sem a despalha a fogo. Diante deste contexto, objetivou-se avaliar a nutrição nitrogenada em soqueiras de cana-de-açúcar, em sistema de colheita sem queima, através de análises químicas do solo, da diagnose foliar, de avaliações biológicas (altura da planta, diâmetro de colmos e número de colmos industrializáveis e da produtividade de colmos). Para esse estudo, instalou-se um experimento em … Show more

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Cited by 31 publications
(22 citation statements)
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“…the second regrowth, leaf calcium contents were similar to those obtained by Prado and Pancelli (2008).…”
Section: Resultssupporting
confidence: 82%
See 1 more Smart Citation
“…the second regrowth, leaf calcium contents were similar to those obtained by Prado and Pancelli (2008).…”
Section: Resultssupporting
confidence: 82%
“…In the first regrowth, leaf contents were 28% higher than those observed by Mendes (2006). In the second regrowth, the average leaf Mg content was similar to that obtained by Prado and Pancelli (2008).…”
Section: Resultssupporting
confidence: 82%
“…No Brasil, nas mais diversas condições de clima e solo, grande número de experimentos realizados mostraram que a resposta da cana-planta ao nitrogênio (N) é menor e menos frequente que a observada em canasoca (Albuquerque & Marinho, 1983;Zambello Júnior & Azeredo, 1983;Cantarella & Raij, 1985;Azeredo et al, 1986;Prado & Pancelli, 2008). Há trabalhos que evidenciam a resposta da cana-planta à fertilização nitrogenada (Korndörfer et al, 1997;Orlando Filho et al, 1999;Trivelin et al, 2002), especialmente quando a análise conjunta de experimentos é realizada (Albuquerque & Marinho, 1983;Cantarella et al, 2007).…”
Section: Introductionunclassified
“…Damages to the crop by consecutive harvests and soil compaction were listed as possible reasons for the contrasting responses to N fertilization. However, it seems that limitations to plant response to N fertilization is not explained by a unique factor, as Prado and Pancelli (2008) obtained positive responses in stalk yield at the second ratoon but not at the first. Water availability is an important factor affecting cane yield in different levels depending on the period that soil water deficit occurs (Wiedenfeld 1995), which was also one of the factors pointed out by Prado and Pancelli (2008) to explain their results.…”
Section: Nitrogen Use Efficiencymentioning
confidence: 93%
“…and lacking reports on S deficiency symptoms. Other studies, such as Prado and Pancelli (2008), Franco et al (2010), and Fortes et al (2013), using different types of N fertilizers, reported cane yield responses to N fertilization that fit to a quadratic function, but linear responses or the absence of response to N fertilization were also reported depending on locality and ratoon cycle. There is little biological basis to select a model over another to describe the crop response to N fertilization (Mead and Pike 1975).…”
Section: Nitrogen Use Efficiencymentioning
confidence: 97%