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Ammonium sulfate rates affect the Structural Characteristics, Biomass and Crude Protein of BRS Tamani Grass

Author

Listed:
  • Victor Luan da Silva de Abreu
  • Henrique De Oliveira Golin
  • Rafael Padilha de Rezende
  • Patrick Bezerra Fernandes
  • Gustavo de Faria Theodoro
  • Gumercindo Loriano Franco
  • Gelson dos Santos Difante

Abstract

The mineral nutrition of forage species is essential for the maintenance of sustainable livestock systems, since it can increase animal productivity per area. Panicum maximum is considered nutritionally demanding. However, the behavior of modern cultivars under nitrogen fertilization is unknown. The objective of this study was to evaluate the effects of increasing doses of nitrogen (N) on the structural characteristics, forage biomass, and crude protein (CP) of cultivar BRS Tamani. The experimental design was randomized blocks, and the treatments consisted of six N doses (0, 62.5, 125, 250, 375, and 500 N mg∙dm-3) using ammonium sulfate (AS) fertilizer, divided into three coverage applications under greenhouse conditions. Three cuts were made from all treatments, separated by an interval of 30 days. The interval between cuts was considered a split-plot effect. There was no interaction effect between the cuts and AS doses for the number of leaves tiller-1 or crude protein. However, there was an interaction effect for the leaf length, number of tillers, and biomass. The use of doses between 280 and 380 mg N∙dm-³ influenced the structural characteristics of the canopy and biomass of 'BRS Tamani' grass. The highest CP value was recorded in the first cut.

Suggested Citation

  • Victor Luan da Silva de Abreu & Henrique De Oliveira Golin & Rafael Padilha de Rezende & Patrick Bezerra Fernandes & Gustavo de Faria Theodoro & Gumercindo Loriano Franco & Gelson dos Santos Difante, 2020. "Ammonium sulfate rates affect the Structural Characteristics, Biomass and Crude Protein of BRS Tamani Grass," Journal of Agricultural Studies, Macrothink Institute, vol. 8(4), pages 450-459, December.
    • Handle: RePEc:mth:jas888:v:8:y:2020:i:4:p:450-459
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    References listed on IDEAS

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    1. Caio Vinicio Vargas de Oliveira & Rodrigo Amorim Barbosa & Raísa Turcato de Oliveira & Emizael Menezes de Almeida & Francielly Paludo & Jéssica Souza Lima & Patrick Bezerra Fernandes, 2020. "The Tissue Flow in Brachiaria brizantha Pasture Under Intermittent Stocking," Journal of Agricultural Studies, Macrothink Institute, vol. 8(1), pages 9-17, March.
    2. Emmanuel Lievio de Lima Veras & Gelson dos Santos Difante & Antonio Leandro Chaves Gurgel & Ana Beatriz Graciano da Costa & Jéssica Gomes Rodrigues & Carolina Marques Costa & João Virginio Emerenciano, 2020. "Tillering and Structural Characteristics of Panicum Cultivars in the Brazilian Semiarid Region," Sustainability, MDPI, vol. 12(9), pages 1-11, May.
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    More about this item

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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