Nutrientes em cultivares de Brachiaria brizantha e estilosantes em cultivo solteiro e consorciado

Moreira, J.F.M.; Costa, Kátia Aparecida de Pinho; Severiano, Eduardo da Costa; Simon, Gustavo André; Cruvinel, Welma Santos; Bento, José

doi:10.4321/s0004-05922013000400004

Cited by 7 publications

(3 citation statements)

References 7 publications

(8 reference statements)

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“…Basilisk in January and May respectively (Paciullo, Aroeira, Alvim, & Carvalho, 2003). In the current study, greater forage CP and lesser NDF was apparently proportional to the variation of stylosanthes in HM throughout the experiment, as also observed for N concentration of stylosanthes Campo Grande and Brachiaria brizantha mixtures (Moreira et al, 2013). The greater NDF observed in monoculture grass pastures could negatively correlate with forage intake mainly limited by ruminal filling, a condition commonly observed for tropical forages (Mertens, 1987), despite greater lignin concentration of mixed pastures.…”

Section: Discussionsupporting

confidence: 85%

Liveweight gain of beef cattle in Brachiaria brizantha pastures and mixtures with Stylosanthes guianensis in the Brazilian savannah

Braga

Ramos

Carvalho

et al. 2020

Grass and Forage Science

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The use of stylosanthes in mixed grass‐legume pastures may minimize the decline in forage quality and quantity that occurs in monoculture grass pastures, even though the availability of commercial cultivars in Brazil is still limited. The objective of the study was to evaluate the liveweight (LW) gain of young Nellore bulls in a mixed pasture of Brachiaria brizantha (cv. Paiaguás) with the latest release Stylosanthes guianensis cv. Bela. The study was conducted in Planaltina, FD, Brazil, from September to August in two consecutive years, right after seeding. The experimental design was a randomized complete block design with two treatments (mixed or monoculture Paiaguás pastures) and three replicates. The average daily gain (ADG) was on average greater in mixed pastures (0.436 vs. 0.350 kg head−1 day−1 in mixed and grass pastures respectively), particularly in the dry period (0.344 vs. 0.183 kg head−1 day−1). The benefit of mixed over monoculture grass pastures throughout the year was 22 kg LW/head and 55 kg LW/ha. The presence of stylosanthes increased the crude protein (CP) concentration in mixed pastures (120 g/kg) when compared to monoculture grass pastures (109 g/kg), probably influencing the ADG of bulls. The increase of liveweight gain, predominantly in the dry season, makes the high‐protein stylosanthes cv. Bela an alternative to buffer the seasonal deficit of forage quality in newly seeded grass pastures.

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Section: Discussionsupporting

confidence: 85%

Liveweight gain of beef cattle in Brachiaria brizantha pastures and mixtures with Stylosanthes guianensis in the Brazilian savannah

Braga

Ramos

Carvalho

et al. 2020

Grass and Forage Science

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“…Nitrogen is one of the nutrients that accumulates in high amounts in the aboveground tropical perennial forage grasses (Primavesi et al, 2006;Moreira et al, 2013;Costa et al, 2015). Nitrogen supply to tropical forage grasses increases herbage yield, as well as the yield components (number of reproductive tillers, inflorescence, length, numbers of seed per inflorescence, and seed filling), seed yield (Manarim & Monteiro, 2002;Barth Neto et al, 2010;Canto et al, 2012;Catuchi et al, 2017), and seed quality (weight and germination) (Canto et al, 2012;Catuchi et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

“…Factors such as species, cultivar, and nutrient availability may influence the aboveground dry matter (DM) production and nutrient accumulation in the DM of tropical forage grasses Moreira et al, 2013;Catuchi et al, 2017). The aboveground residual straw of tropical forage grass seed production, which can reach 15-20 Mg ha -1 (Souza et al, 2006;Catuchi et al, 2017), can be harvested to produce hay for animal feed, avian beds, the production of organic compounds, and burning for energy cogeneration, or it can be left on soil surface, primarily in areas managed in the no-till system for grain crop cultivation (Souza et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Nitrogen management of forage grasses for nutrition, seed production, and nutrients in residual straw

Catuchi

Soratto

Júnior

et al. 2019

Pesq. agropec. bras.

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The objective of this work was to evaluate the nutrition, accumulation of nutrients in residual straw, pure seed yield, and seed quality of the tropical forage grasses 'Mombaça' and 'Xaraés' subjected to topdressing with nitrogen fertilizer management. Field experiments were carried out in the municipalities of Rancharia and Presidente Prudente, in the state of São Paulo, Brazil. The treatments included a control (without N topdressing) and four N fractionation forms at different forage stages: 150 kg ha-1 N, at the vegetative phase (VP); 150 kg ha-1 N, at the beginning of the reproductive phase (RP), between panicle initiation and the prebooting stages; 100 kg ha-1 N, at VP plus 50 kg ha-1 N at RP; and 50 kg ha-1 N at VP plus 100 kg ha-1 N at RP. Fertilization with N as topdressing, regardless of the N fractionation form, increased N concentration in the flag leaf and in residual straw, and the quantities of N accumulated by 'Mombaça' and 'Xaraés' forage grasses. The application of all or most N in the VP increased the quantities of residual straw and of P and K accumulated by the 'Mombaça' forage grasses. The application of all or most N in the RP provided a greater pure seed yield and N use efficiency in both forage grasses. The seed physiological quality of the forages is not affected by fertilization with N topdressing.

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Cover plants can contribute on macronutrient accumulation in agroforestry systems during off-season

et al. 2023

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Nutrientes em cultivares de Brachiaria brizantha e estilosantes em cultivo solteiro e consorciado

Cited by 7 publications

References 7 publications

Liveweight gain of beef cattle in Brachiaria brizantha pastures and mixtures with Stylosanthes guianensis in the Brazilian savannah

Liveweight gain of beef cattle in Brachiaria brizantha pastures and mixtures with Stylosanthes guianensis in the Brazilian savannah

Nitrogen management of forage grasses for nutrition, seed production, and nutrients in residual straw

Cover plants can contribute on macronutrient accumulation in agroforestry systems during off-season

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