Produção de forragem em pastagens consorciadas com diferentes leguminosas sob pastejo rotacionado

Steinwandter, Edilene; Olivo, Clair Jorge; Santos, Juliano Costa dos; Araújo, Tiago; Aguirre, Priscila Flôres; Diehl, Michelle Schalemberg

doi:10.4025/actascianimsci.v31i2.6238

Cited by 13 publications

(17 citation statements)

References 4 publications

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“…The forage mass mean value for the systems was 3.5 t/ha, which is inferior to results observed by Steinwandter et al (2009), of 5.29 t/ha, under the same procedures and higher nitrogen fertilizer amounts in pastures formed by elephantgrass mixed with ryegrass and white clover (in the cool season) and spontaneous growth species (in the warm season).…”

Section: Resultscontrasting

confidence: 81%

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Forage mass and the nutritive value of pastures mixed with forage peanut and red clover

Azevedo

Olivo

et al. 2012

R. Bras. Zootec.

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-The objective of this research was to estimate three pasture-based systems mixed with elephantgrass + spontaneous growth species, annual ryegrass, for pasture-based system 1; elephantgrass + spontaneous growth species + forage peanut, for pasture-based system 2; and elephantgrass + spontaneous growth species + annual ryegrass + red clover, for pasturebased system 3. Elephantgrass was planted in rows 4 m apart from each other. During the cool-season, annual ryegrass was sown in the alleys between the rows of elephantgrass; forage peanut and red clover were sown in the alleys between the elephantgrass according to the respective treatment. The experimental design was totally randomized in the three treatments (pasture-based systems), two replicates (paddocks) in completely split-plot time (grazing cycles). Holstein cows receiving 5.5 kg-daily complementary concentrate feed were used in the evaluation. Pre-grazing forage mass, botanical composition and stocking rate were evaluated. Samples of simulated grazing were collected to analyze organic matter (OM), neutral detergent fiber (NDF), crude protein (CP) and organic matter in situ digestibility (OMISD). Nine grazing cycles were performed during the experimental period (341 days). The average dry matter values for pre-grazing and stocking rate were 3.34; 3.46; 3.79 t/ha, and 3.28; 3.34; 3.60 AU/ha for each respective pasture-based system. Similar results were observed between the pasture-based systems for OM, NDF, CP and OMISD. Considering forage mass, stocking rate and nutritive value, the pasturebased system intercropped with forage legumes presented better performance.

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Section: Resultscontrasting

confidence: 81%

“…The same values were observed by Lima et al (2004) for pure elephantgrass cultivations. Values close to 4.0 UA/ha were observed by Steinwandter et al (2009). Higher stocking rate, 4.5 UA/ha, was observed by Deresz et al (2001) on elephantgrass pastures fertilized with 200 kg of N in 198 days of estimation with dairy cows.…”

Section: Resultsmentioning

confidence: 68%

Forage mass and the nutritive value of pastures mixed with forage peanut and red clover

Azevedo

Olivo

et al. 2012

R. Bras. Zootec.

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“…White clover is adapted to cold weather, has a shallow root system, and develops well in soils with adequate moisture (Vendramini, Dubeux, & Cooke, 2014). Steinwandter et al (2009) studied pasture consortia consisting of different legumes and grazed intermittently. They concluded that the diversity of the plants in the consortia contributed to the balance of biomass production.…”

Section: Acta Scientiarum Animal Sciencesmentioning

confidence: 99%

<b>Production and chemical composition of grasses and legumes cultivated in pure form, mixed or in consortium

Tambara

Sippert

Jauris

et al. 2017

Acta Sci. Anim. Sci.

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ABSTRACT. The objective of this study was to assess the edible biomass and chemical composition of forages grown on pure form, as a grass mix, and in grass-legume consortia. The following species were tested: white oats (Avena sativa), black oats (Avena strigosa), ryegrass (Lolium multiflorum), forage peanut (Arachis pintoi), white clover (Trifolium repens), and red clover (Trifolium pratense). The experiment consisted of sixteen treatments arranged in a completely randomized design. The parameters measured were total dry matter (PMST), neutral detergent fiber (NDF), acid detergent fiber (ADF), and crude protein (CP). No significant differences in PMST were found among the consortia (p > 0.05). Only the pure cultivated white clover (p > 0.05) was comparable to the consortia in terms of biomass production. The three legumes had the lowest average NDF values (p > 0.05), based on their contributions to the total NDF content of the consortia along the cuts. The ADF content increased for all treatments during the cuts. The results indicate that in pasture, legumes increase protein content, and forage consortia increase both the pasture production and the grazing period. Their chemical composition is adequate for boosting livestock production in pastures.Keywords: Arachis pintoi, Avena sp., fiber, Lolium multiflorum, protein, Trifolium sp.Produção e composição bromatológica de gramíneas e leguminosas cultivadas de forma estreme, misturadas ou em consórcio RESUMO. Objetivou-se avaliar a produção de biomassa e a composição bromatológica ao longo do ciclo produtivo de forrageiras cultivadas de forma estreme, misturadas ou consorciadas. Foram utilizadas as seguintes espécies: aveia branca (Avena sativa), aveia preta (Avena strigosa), azevém (Lolium multiflorum), amendoim forrageiro (Arachis pintoi), trevo branco (Trifolium repens) e trevo vermelho (Trifolium pratense). As forrageiras foram cultivadas em 16 tratamentos em delineamento inteiramente casualizado, sendo analisados a produção de matéria seca total (PMST) e os teores de fibra em detergente neutro (FDN), fibra em detergente ácido (FDA) e proteína bruta (PB). Quanto à PMST, não foram constatadas diferenças (p > 0,05) entre os consórcios, sendo apenas o cultivo estreme de trevo branco comparável (p < 0,05) aos consórcios em biomassa produzida. Em relação ao FDN, as três leguminosas isoladas apresentaram os menores valores (p > 0,05) na média geral, ficando evidente a sua contribuição no teor de FDN dos consórcios ao longo dos cortes. O teor de FDA aumentou no decorrer dos cortes para todos os tratamentos. Os resultados indicam que a inclusão de leguminosas aumenta os teores proteicos, e os consórcios de forrageiras aumentam a produção de pastagem e o período de pastejo, com composição bromatológica adequada para potencializar a produção animal a pasto.

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“…Esse resultado é importante, ao indicar melhor desempenho dos consórcios em um período em que há escassez de forragem (Restle et al, 2002). Considerando-se a produção de forragem no período experimental, com base na predominância dos resultados, confirma-se o melhor desempenho (P≤0,05) para os consórcios com leguminosas, resultado confirmado também por outros autores (Steinwandter et al, 2009;Azevedo Júnior, 2010). Observa-se que, para a composição estrutural do capim elefante, não houve diferença entre os sistemas forrageiros.…”

Section: Resultsunclassified

Produtividade de sistemas forrageiros consorciados com leguminosas

Diehl

Olivo

Agnolin

et al. 2013

Arq. Bras. Med. Vet. Zootec.

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 RESUMOO objetivo desta pesquisa foi avaliar três sistemas forrageiros (SF) com capim elefante (CE) + azevém (AZ) + espécies de crescimento espontâneo (ECE); CE + AZ + ECE + amendoim forrageiro (AM); e CE + AZ + ECE + trevo vermelho (TV), usando-se a mesma área, sob pastejo rotacionado, no decorrer do ano agrícola. O CE foi estabelecido em linhas afastadas a cada 4m. No período hibernal, fez-se o estabelecimento do AZ entre as linhas do CE; o TV foi semeado e o AM foi preservado, considerando-se os respectivos SF. O delineamento experimental foi o inteiramente ao acaso, com três tratamentos (SF), duas repetições (piquetes) e avaliações independentes (ciclos de pastejos). Para avaliação, foram utilizadas vacas da raça Holandesa em lactação, que receberam suplementação alimentar com concentrado à razão de 1% do peso corporal/dia. Foram avaliados a massa de forragem, os componentes botânicos do pasto e estruturais do CE e a taxa de lotação. Durante o período experimental, foram efetuados oito ciclos de pastejo. Sistemas forrageiros que envolvem gramíneas e leguminosas de diferentes ciclos proporcionam a utilização da área durante todo o ano agrícola em pastejo rotativo com bovinos leiteiros. Considerando-se a predominância das avaliações em cada pastejo, os sistemas forrageiros consorciados apresentam melhor resultado tanto paras as variáveis de massa de forragem quanto para a taxa de lotação. Palavras-chave: Arachis pintoi, pastejo rotacionado, Pennisetum purpureum, Trifolium pratense, vacas leiteiras ABSTRACT The objective of this research was to evaluate three grazing systems (GS) with elephant grass (EG) + ryegrass (RG) + spontaneous growing species (SGS); EG + RG + SGS + forage peanut (FP); and EG + RG + SGS + red clover (RC), in order to use the area in rotational grazing during the agricultural year. EG was planted in rows with a distance of 4m between each row. In the cool-season, RG was sowed between EG rows and FP was preserved on GS. The experimental design was completely randomized with three treatments (GS), two replicates (paddocks) and independent evaluations (grazing cycles

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Produção de forragem em pastagens consorciadas com diferentes leguminosas sob pastejo rotacionado

Cited by 13 publications

References 4 publications

Forage mass and the nutritive value of pastures mixed with forage peanut and red clover

Forage mass and the nutritive value of pastures mixed with forage peanut and red clover

<b>Production and chemical composition of grasses and legumes cultivated in pure form, mixed or in consortium

Produtividade de sistemas forrageiros consorciados com leguminosas

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