<b>Forrage increment and efficiency of nitrogen in pastures with <em>Panicum maximum</em> Jacq. (BRA-006998) manured with nitrogen</b> - DOI: 10.4025/actascianimsci.v25i2.2072

  • Simony Marta Bernardo Lugão IAPAR
  • Luis Roberto de Andrade Rodrigues UNESP
  • José Jorge dos Santos Abrahão IAPAR
  • Euclides Braga Malheiros UNESP
  • Anibal de Morais UFP
DOI: https://doi.org/10.4025/actascianimsci.v25i2.2072

Abstract

The work was carried out at Iapar in Paranavaí, state of Paraná, to evaluate the effect of nitrogen fertilization on access of BRA-006998, from 10/15/1998 to 05/03/1999. Four doses of N (0; 150; 300; and 450kg/ha/year) were applied to the pastures managed according to a rotational grazing. A randomized block design was used with split-plots, with N-doses studied in the plots and the GCs in the split-plots. The DM accumulation rate presented maximum value of 73.9; 96.2; 150.3; 189.6; and 129.9kg/ha/day (424; 438; 397; 385; 414kg N/ha/year, respectively) in the GCs 1, 2, 3, 4 and 5, respectively. The efficiency of N utilization in DM production did not differ between the treatments of 150 and 300kg N/ha/year, where the efficiency obtained with 150kg N/ha/year is higher than that obtained with 450kg N/ha/year.

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Author Biography

Simony Marta Bernardo Lugão, IAPAR
Possui graduação em Agronomia pela Universidade Federal Den Viçosa (1985) , mestrado em Fitotecnia pela Universidade Federal Den Viçosa (1988) e doutorado em Zootecnia pela Universidade Estadual Paulista Júlio de Mesquita Filho (2001) . Atualmente é Pesquisador do Instituto Agronômico do Paraná. Tem experiência na área de Zootecnia , com ênfase em Pastagem e Forragicultura. Atuando principalmente nos seguintes temas: Pastejo rotacionado, Adubação nitrogenada, Panicum maximum Currículo Lattes
Published
2008-04-16
How to Cite
Lugão, S. M. B., Rodrigues, L. R. de A., Abrahão, J. J. dos S., Malheiros, E. B., & Morais, A. de. (2008). <b>Forrage increment and efficiency of nitrogen in pastures with <em>Panicum maximum</em> Jacq. (BRA-006998) manured with nitrogen</b&gt; - DOI: 10.4025/actascianimsci.v25i2.2072. Acta Scientiarum. Animal Sciences, 25(2), 371-379. https://doi.org/10.4025/actascianimsci.v25i2.2072
Issue
Vol 25 No 2 (2003)
Section
Animal Science

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