CHEMICAL COMPOSITION AND DIGESTIBILITY OF THE GRASSES CULTIVATED UNDER CUT SUBMITTED THE DIFFERENT IRRIGATION DEPTHS

Authors

  • Carlos Augusto Brasilero Alencar
  • Carlos Eugênio Martins
  • Antônio Carlos Cóser
  • Rubens Alves de Oliveira
  • Fernando França da Cunha

DOI:

https://doi.org/10.13083/reveng.v18i6.206

Keywords:

proteína bruta, fibra em detergente neutro, B. brizantha, C. nlemfuensis, P. maximum, P. purpureum

Abstract

It was aimed to evaluate the chemical composition and in vitro dry matter digestibility (IVDMD) of six grasses under different irrigation depths. The experiment was conducted in a completely randomized arrangement, with two replications, in a split plot design. Six grasses (Xaraes, Mombaça, Tanzania, Pioneiro, Marandu and Estrela) constituted the plots and six irrigation depths (0%, 18%, 45%, 77%, 100% and 120% of the reference) the split-plots. To vary the application of irrigation depths it was used the line source sprinkler system. Were evaluated the crude protein (CD), neutral detergent fiber (NDF) and IVDMD and its obtainings went in agreement with to literature. Estrela grass presented larger CD and NDF and smaller IVDMD. The Marandu grass presented largest IVDMD. The increase of the irrigation depths reduced the CD and it depended on the grasses to check effect in the NDF and in IVDMD. The irrigation depths didn’t affect the NDF of the Mombaça and Tanzania and it provided quadratic effect us other grasses. That same factor reduced IVDMD of the Mombaça grass, it provided quadratic effect in the Tanzania and Marandu and it didn’t affect the other grasses.

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Published

2010-12-13

How to Cite

Alencar, C. A. B., Martins, C. E., Cóser, A. C., de Oliveira, R. A., & Cunha, F. F. da. (2010). CHEMICAL COMPOSITION AND DIGESTIBILITY OF THE GRASSES CULTIVATED UNDER CUT SUBMITTED THE DIFFERENT IRRIGATION DEPTHS. Engineering in Agriculture, 18(6), 504–513. https://doi.org/10.13083/reveng.v18i6.206

Issue

Vol. 18 No. 6 (2010)

Section

.

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