Production, nutritional value and recovery efficiencies and nitrogen utilization of corn silage under different doses of nitrogen fertilizer

Authors

Luis Fernando Glasenapp de Menezes Universidade Tecnológica Federal do Paraná
Ricardo Ronsani Universidade Tecnológica Federal do Paraná
Paulo Sérgio Pavinato Universidade Tecnológica Federal do Paraná
Ronaldo Rubens Biesek Universidade Tecnológica Federal do Paraná
Carlos Eduardo Kruger da Silva Universidade Tecnológica Federal do Paraná
Clederson Martinello Universidade Tecnológica Federal do Paraná
Bruno Cappellesso Universidade Tecnológica Federal do Paraná
Magali Floriano da Silveira Universidade Tecnológica Federal do Paraná

DOI:

https://doi.org/10.5433/1679-0359.2013v34n3p1353

Keywords:

Accumulation of nitrogen, Crude protein, Urea.

Abstract

The objective of this experiment was to evaluate the yield and quality of corn silage with different nitrogen levels. It was used four levels of nitrogen, 0, 80, 160, 240 kg.ha-1. The experimental design was randomized blocks with six replications. The data were subjected to analysis of variance and polynomial regression analysis. The silage was performed manually in PVC tubes of 10 cm diameter and 50 cm high. The parameters evaluated were productive variable, morphological variable, physiological efficiency, recovery efficiency and efficiency utilization of nitrogen, and nutritive value of silages. Plant height (height = 1.72+0.067*block+0.0004*N) and total production (total production = 13,883.42 + 786.41* block + 18.65*N) responded positively according increasing nitrogen dose. The decrease of recovery efficiency (NAR = 1.027-0.00283*N) and nitrogen use efficiency (NUE = 42.89 to 0.11 * N) with the increase in the amount of nitrogen applied. The crude protein of the silage shown a quadratic response (CP = 5.820+0.018*N-0.00005N2) according to the increase in nitrogen level. The increase in nitrogen levels provided better productivity with high quality silage. Higher doses showed lower nitrogen utilization efficiency and recovery nitrogen.

Author Biographies

Luis Fernando Glasenapp de Menezes, Universidade Tecnológica Federal do Paraná

Prof. Dr. do curso de Zootecnia da Universidade Tecnológica Federal do Paraná, UTFPR, campus Dois vizinhos, Estrada para Boa Esperança, Km 4, 85660-000. Dois Vizinhos, PR.

Ricardo Ronsani, Universidade Tecnológica Federal do Paraná

Discente do curso de Zootecnia da Universidade Tecnológica Federal do Paraná, UTFPR, Campus Dois Vizinhos, Dois Vizinhos, PR.

Paulo Sérgio Pavinato, Universidade Tecnológica Federal do Paraná

Prof. Dr. do Programa de Pós-graduação em Zootecnia da UTFPR, Dois Vizinhos, PR.

Ronaldo Rubens Biesek, Universidade Tecnológica Federal do Paraná

Discente do curso de Zootecnia da Universidade Tecnológica Federal do Paraná, UTFPR, Campus Dois Vizinhos, Dois Vizinhos, PR.

Carlos Eduardo Kruger da Silva, Universidade Tecnológica Federal do Paraná

Discente do curso de Zootecnia da Universidade Tecnológica Federal do Paraná, UTFPR, Campus Dois Vizinhos, Dois Vizinhos, PR.

Clederson Martinello, Universidade Tecnológica Federal do Paraná

Discente do curso de Zootecnia da Universidade Tecnológica Federal do Paraná, UTFPR, Campus Dois Vizinhos, Dois Vizinhos, PR.

Bruno Cappellesso, Universidade Tecnológica Federal do Paraná

Discente do curso de Zootecnia da Universidade Tecnológica Federal do Paraná, UTFPR, Campus Dois Vizinhos, Dois Vizinhos, PR.

Magali Floriano da Silveira, Universidade Tecnológica Federal do Paraná

Bolsista do Programa Nacional de Pós-Doutorado, PNPD, CAPES, UTFPR, Câmpus Dois Vizinhos, Dois Vizinhos, PR.

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Published

2013-06-24

How to Cite

Menezes, L. F. G. de, Ronsani, R., Pavinato, P. S., Biesek, R. R., Silva, C. E. K. da, Martinello, C., … Silveira, M. F. da. (2013). Production, nutritional value and recovery efficiencies and nitrogen utilization of corn silage under different doses of nitrogen fertilizer. Semina: Ciências Agrárias, 34(3), 1353–1362. https://doi.org/10.5433/1679-0359.2013v34n3p1353

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Vol. 34 No. 3 (2013)

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