Production of tifton 85 hay overseeded with white oats or ryegrass

Neres, Marcela Abbado; Castagnara, Deise Dalazen; Mesquita, Eduardo Eustáquio; Jobim, Clóves Cabreira; Três, Tamara Taís; Oliveira, Paulo Sérgio Rabello de; Oliveira, Ana Alix Mendes de Almeida

doi:10.1590/s1516-35982011000800003

Cited by 20 publications

(33 citation statements)

References 12 publications

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“…The results for fibrous components of forage are similar to those observed by Neres et al (2011) when they studied Tifton 85 hay overseeded with white oat or ryegrass without managing with a conditioning unit to dehydration. According to Buckmaster et al (1989), changes in fibrous components, which were observed in this study, are due to dry matter losses that naturally occur with hay storage.…”

Section: Resultssupporting

confidence: 82%

Use of a conditioning unit at the haymaking of Tifton 85 overseeded with Avena sativa or Lolium multiflorum

et al. 2012

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-White oat and ryegrass were overseeded on Tifton 85 pastures for evaluation of dry matter yield (DMY), leaf:stem ratio (L:S), dehydration curves and nutritional value of forages. Dry matter intake and L:S ratio were analyzed using a completely randomized blocks design with five forage growth conditions (single Tifton 85 and intercropped with white oat or ryegrass, and white oat or ryegrass intercropped with Tifton 85), whereas for drying curves, ten dehydration times were tested (0, 4, 8, 24, 28, 32, 48, 52, 56 and 71 hours after harvest) by a 5 × 10 split-plot arrangement (growth conditions of forages as main plot and dehydration times as sub-plots). The nutritive value data were analyzed in a 3 × 3 split-plot trial with single Tifton 85, Tifton 85 -Oat and Tifton 85-Ryegrass as main plots and the three sampling times (before harvesting, at baling and 100 days after storage) as sub-plots. Oat and ryegrass showed higher L:S ratio, while the intercrops of Tifton 85 -Oat and Tifton 85 -Ryegrass presented lower DMY, but higher crude protein concentration and in vitro DM digestibility than single Tifton. Neutral and acid detergent fiber concentrations were higher for single Tifton 85. Ryegrass and white oat, overseeded on Tifton 85 pasture, improved the nutritional value of the hay produced; however, in a 100-day storage period, there was a reduction in in vitro dry matter digestibility and crude protein concentrations.

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Section: Resultssupporting

confidence: 82%

Use of a conditioning unit at the haymaking of Tifton 85 overseeded with Avena sativa or Lolium multiflorum

et al. 2012

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“…Jobim et al (1999) constataram que há redução acentuada no teor proteico do estádio vegetativo até a formação de grãos pela translocação de nutrientes ocorrida. Neres et al (2011) citam que, além da bromatologia e do teor de matéria seca na ocasião da colheita, o tempo de secagem também afeta qualitativamente o feno resultante. Segundo os mesmos autores, a taxa de secagem varia de acordo com a estrutura das forrageiras, principalmente tipo e espessura de colmo e razão folha/colmo.…”

Section: Discussionunclassified

Características produtivas e nutricionais do feno de trigo cultivado em dois níveis de adubação nitrogenada e estádios de colheita

Wrobel

Neumann

Leão

et al. 2017

Arq. Bras. Med. Vet. Zootec.

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Características produtivas e nutricionais do feno de trigo cultivado em dois níveis de adubação nitrogenada e estádios de colheita RESUMOO objetivo do presente trabalho foi avaliar a produção de fitomassa fresca e de fitomassa seca, assim como a composição física e bromatológica do feno do trigo cultivar BRS Umbu sob efeitos de dois níveis de adubação nitrogenada (120kg ha -1 e 180kg ha -1 ) e dois estádios fenológicos de colheita (pré-florescimento e grão farináceo). O delineamento experimental foi blocos ao acaso, em esquema fatorial 2x2, composto por quatro tratamentos com quatro repetições. Não houve interação (P>0,05) entre os níveis de adubação nitrogenada e os estádios fenológicos de colheita para todas as variáveis. A produção de fitomassa seca (P<0,05) nos estádios de grão farináceo e pré-florescimento foi de 10.171 e 4.982kg ha -1 , respectivamente. A maior dose de N incrementou a produção de fitomassa seca em 775kg ha -1 . Houve aumento da participação de espigas com o avanço do ciclo, apresentando-se 43,0% e 16,2% nos estádios grão farináceo e pré-florescimento, respectivamente. No estádio fenológico de pré-florescimento, a participação de folha verde foi superior (37,1% contra 9,8% da MS total). O feno colhido em estádio de grão farináceo apresentou menores teores de proteína bruta e fibra em detergente neutro. Os fenos produzidos apresentaram características distintas, o que permite seu uso em diferentes estratégias de alimentação de ruminantes.Palavras-chave: cereais de inverno, estádio fenológico, forragem conservada, ureia, valor nutricional ABSTRACT The objective was to evaluate the production of the fresh and dry weight, physical and chemical composition of wheat hay, cv. BRS UMBU, under effects of two levels of nitrogen fertilization (120kg ha-

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“…It is more resistant to cold, frost, and drought than other cultivars of bermudagrass and can grow 6-8 months during the year, producing abundant and highly digestible forage (MONTEIRO et al, 2008), but this growth requires high N, potassium, and soil moisture availability (ANDERSON et al, 2008). In the winter, pastures with Tifton 85 can be seeded with oats, providing year-round forage with a high protein content and digestibility (NERES et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Tifton 85 grass responses to different nitrogen levels and cutting intervals

Taffarel

Mesquita

Castagnara

et al. 2016

SCA

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The objective of this study was to evaluate the influence of five levels of N and two regrowth intervals on the structural, productive, and nutritional characteristics of Tifton 85 grass (Cynodon spp). The experiment was conducted in a hay production field at the State University of West Paraná, planted in 2004 with Cynodon spp. cv. Tifton 85. The experiment was established in a randomized block design with factorial treatments of five N fertilization amounts (0, 25, 50, 75 and 100 kg ha -1 cut -1 ) applied as urea after each cut, and two regrowth intervals (28 and 35 d), with four replicates. N application promoted changes in plant structure, such as increased canopy height, stem length, leaf elongation rate, and dry mass (DM) production. The greatest N use efficiency, considering the four harvests, occurred in the plot with 25 kg N ha -1 cut -1 at the 35-d interval, with a production of 13.79 kg DM kg -1 of N applied. A nutritional analysis indicated that 100 kg ha -1 of N cut -1 promoted higher crude protein (CP) at 28 d, with the highest concentration observed in the fourth cut (208.2 g kg -1 DM) and the lowest in the second cut (140.12 g kg -1 DM). The content average in the four cuts for CP and LIG at 28 days of regrowth was 175.85 and 104.33 kg -1 g MS and at 35 days of regrowth interval was of 164.45 and 118.65 g kg -1 DM, respectively. No differences were found between regrowth intervals in the contents of mineral matter and acid detergent fiber (ADF). Environmental factors including the wide variation in precipitation (greater than 200 mm between the peak in December 2010 and the lowest in March 2011) greatly influenced Tifton 85 grass production, affecting DM and the nutritional value of the forage in each cut. Key words: Biomass. Forage quality. Grazing. Management. Persistence. Stocking. ResumoO objetivo do trabalho foi avaliar a influência de cinco doses de nitrogênio (N) em duas idades de rebrota no capim Tifton 85 (Cynodon spp.) sobre as características estruturais, produtivas e na composição bromatológica. O experimento foi instalado no campo de produção de feno da UNIOESTE, campus de Marechal Cândido Rondon. O delineamento experimental foi em blocos casualizados em esquema fatorial 5x2, sendo cinco doses de nitrogênio (0, 25, 50, 75 e 100 kg ha -1 ) aplicados em cada corte, aplicadas na forma de uréia, duas idades de rebrota (28 e 35 dias) com quatro repetições e quatro cortes.

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Production of tifton 85 hay overseeded with white oats or ryegrass

Cited by 20 publications

References 12 publications

Use of a conditioning unit at the haymaking of Tifton 85 overseeded with Avena sativa or Lolium multiflorum

Use of a conditioning unit at the haymaking of Tifton 85 overseeded with Avena sativa or Lolium multiflorum

Características produtivas e nutricionais do feno de trigo cultivado em dois níveis de adubação nitrogenada e estádios de colheita

Tifton 85 grass responses to different nitrogen levels and cutting intervals

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