RESIDUAL EFFECTS OF NITROGEN LEVELS APPLIED ON Brachiaria brizantha PASTURE IN THE CORN SILAGE PRODUCTION IN CROP-LIVESTOCK INTEGRATION SYSTEMS

Authors

  • Bruna Paula Alves da Silva UFG
  • Roberta Aparecida Carnevalli Embrapa Agrossilvipastoril
  • José Robson Bezerra Sereno Embrapa Cerrados
  • Maria Luiza Franceschi Nicodemo Embrapa Pecuária Sudeste
  • Reinaldo Cunha de Oliveira Júnior Universidade Estadual de Goiás (UEG)

DOI:

https://doi.org/10.1590/cab18023909

Keywords:

Forrage, Animal Nutrition

Abstract

It was aimed to evaluate the residual effect of doses of Nitrogen (N) applied in pastures of Brachiaria brizantha (Marandu and Xaraés) for two consecutive years on the production of corn for silage in crop-livestock integration system. The nitrogen fertilization of grassland was held during two consecutive years, using four dosages of nitrogen (0, 100, 200 and 300 kg/ha/year). These areas were dry to no-till corn. Was used a basal fertilization of 70 kg of N/ha for maize cultivation, applied in coverage. Agronomic evaluations were carried out (stand, height of plants and insertion of cob, number of spikes, number of grains on the cob and stay-green) and corn production (production of silage dry matter production, production of spikes) collected from point of silage. Dosages of N applied in pastures only affected the percentage of ears of corn and the cob weight. There was interaction between dose and cultivate for the percentage of dry matter of the bracts and the amount of rows of spike grains. The residual effect of nitrogen after growing Marandu pastures and Xaraés does not affect subsequent crops, making it necessary to total fertilization of culture.
Keywords: forage production; Marandu; silage; spikes; Xaraés.

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Author Biographies

Bruna Paula Alves da Silva, UFG

Zootecnista (UEG), Mestra em Ciência Animal (UFG), Doutoranda em Zootecnia (UFG).

Roberta Aparecida Carnevalli, Embrapa Agrossilvipastoril

Pesquisadora A da Embrapa Agrossilvipastoril

José Robson Bezerra Sereno, Embrapa Cerrados

Pesquisador A da Embrapa Cerrados

Maria Luiza Franceschi Nicodemo, Embrapa Pecuária Sudeste

Pesquisadora A da Embrapa Pecuária Sudeste

Reinaldo Cunha de Oliveira Júnior, Universidade Estadual de Goiás (UEG)

Professor Dr. da UEG

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Published

2017-10-26

How to Cite

SILVA, B. P. A. da; CARNEVALLI, R. A.; SERENO, J. R. B.; NICODEMO, M. L. F.; OLIVEIRA JÚNIOR, R. C. de. RESIDUAL EFFECTS OF NITROGEN LEVELS APPLIED ON Brachiaria brizantha PASTURE IN THE CORN SILAGE PRODUCTION IN CROP-LIVESTOCK INTEGRATION SYSTEMS. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 18, 2017. DOI: 10.1590/cab18023909. Disponível em: https://revistas.ufg.br/vet/article/view/e-23909. Acesso em: 16 aug. 2024.

Issue

Vol. 18 (2017): Continuous publication

Section

ZOOTECNIA

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