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| Assmann,Joice Mari; Anghinoni,Ibanor; Martins,Amanda Posselt; Costa,Sérgio Ely Valadão Gigante de Andrade; Kunrath,Taise Robinson; Bayer,Cimélio; Carvalho,Paulo Cesar de Faccio; Franzluebbers,Alan Joseph. |
| Abstract:The objective of this work was to evaluate the effect of grazing intensity on the decomposition of cover crop pasture, dung, and soybean residues, as well as the C and N release rates from these residues in a long-term integrated soybean-beef cattle system under no-tillage. The experiment was initiated in 2001, with soybean cultivated in summer and black oat + Italian ryegrass in winter. The treatments consisted of four sward heights (10, 20, 30, and 40 cm), plus an ungrazed area, as the control. In 2009-2011, residues from pasture, dung, and soybean stems and leaves were placed in nylon-mesh litter bags and allowed to decompose for up to 258 days. With increasing grazing intensity, residual dry matter of the pasture decreased and that of dung... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Avena strigose; Glycine max; Lolium multiflorum; Integrated crop-livestock; Nutrient cycling; Soil organic matter.. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2015001000967 |
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| Martins,Amanda Posselt; Costa,Sérgio Ely Valadão Gigante de Andrade; Anghinoni,Ibanor; Kunrath,Taise Robinson; Cecagno,Diego; Reichert,José Miguel; Balerini,Fabrício; Dillenburg,Lúcia Rebello; Carvalho,Paulo César de Faccio. |
| Abstract: The objective of this work was to evaluate the impact of grazing intensities after 11 years of an integrated crop-livestock system, under no-tillage, on soil moisture and soybean physiological parameters during a summer season affected by drought. The experiment was established in 2001 on a Rhodic Hapludox. Treatments consisted in the succession of soybean (summer) and a mixed pasture of black oat + Italian ryegrass (winter), under different beef-cattle grazing intensities: intensive grazing, with 0.10-m pasture height; moderate grazing, with 0.20-m pasture height; and no grazing. During the soybean cycle, in the 2011/2012 crop season, rainfall was 40% of the climatological normal. The soil moisture was within the limits of available water both... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Glycine max; Leaf temperature; Leaf water potential; Water availability. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2016000800978 |
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| Brambilla,Daniel Martins; Nabinger,Carlos; Kunrath,Taise Robinson; Carvalho,Paulo César de Faccio; Carassai,Igor Justin; Cadenazzi,Mónica. |
| The overseeding of ryegrass (Lolium multiflorum Lam) on sub-tropical native pastures increases the availability and quality of forage in the cold season. However, soil chemical amendment and nitrogen use can affect the floristic composition, with consequences to the primary and secondary production. In a randomized complete block design with three replications, the effect of nitrogen fertilization (40, 90 and 140 kg/ha of nitrogen) on native pasture overseeded with ryegrass in two consecutive years was assessed regarding production and composition of pasture and performance of beef calves. In both years, the forage accumulation rate and forage production responded linearly to the increase in nitrogen rates as a result of increased participation of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Average daily gain; Forage accumulation rate; Lolium multiflorum; Stocking rate. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000300008 |
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| Gonçalves,Edna Nunes; Carvalho,Paulo César de Faccio; Kunrath,Taise Robinson; Carassai,Igor Justin; Bremm,Carolina; Fischer,Vivian. |
| Com o objetivo de avaliar o efeito da estrutura de uma pastagem nativa nos parâmetros que compõem o processo de ingestão de forragem de ovelhas e bezerras em pastejo, foram estabelecidas quatro alturas de pasto (4, 8, 12 e 16 cm), em delineamento estatístico inteiramente casualizado, com quatro tratamentos e duas repetições no tempo e no espaço. A massa do bocado e a taxa de ingestão foram estimados por diferença de peso vivo corrigido para a perda de peso metabólico, durante 45 minutos. Os movimentos mandibulares de apreensão e mastigação foram registrados pelo aparelho IGER Behaviour Recorder. A profundidade do bocado foi obtida em 40 perfilhos marcados por unidade experimental, em medições realizadas antes e após o pastejo. Observou-se correlação... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bezerras; Massa do bocado; Movimentos mandibulares; Ovelhas; Pastagem nativa; Taxa de ingestão. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009000900003 |
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| Elejalde,Denise Adelaide Gomes; Nabinger,Carlos; Pascual,Mónica Graciela Cadenazzi; Ferreira,Eduardo Tonet; Missio,Regis Luis; Kunrath,Taise Robinson; Devincenzi,Thais; Cardoso,Raquel Rolim. |
| The objective of this study was to evaluate the chemical composition of the forage apparently consumed by steers in a natural grassland on region of Campanha, in Rio Grande do Sul, Brazil, subjected or not to different inputs: NP - natural pasture without inputs; FNP - fertilized natural pasture and INP - improved natural grassland with fertilization and over-seeded with cultivated winter species. Three Angus steers testers and a variable number of regulator animals per experimental unit were utilized in order to maintain 13 kg of DM/100 kg of live weight (LW) as forage allowance. One time at each season, hand plucking samples were performed along the daily grazing time simulating forage harvested by the animals. The collected samples after drying and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Average daily weight gain; Gas in vitro digestibility; Neutral detergent fiber corrected for ash and protein; Total digestible nutrients. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600007 |
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| Carvalho,Paulo César de Faccio; Barro,Raquel Santiago; Barth Neto,Armindo; Nunes,Pedro Arthur de Albuquerque; Moraes,Anibal de; Anghinoni,Ibanor; Bredemeier,Christian; Bayer,Cimélio; Martins,Amanda Posselt; Kunrath,Taise Robinson; Santos,Davi Teixeira dos; Carmona,Felipe de Campos; Barros,Thiago; Souza Filho,William de; Almeida,Gleice Menezes de; Caetano,Luis Augusto Martins; Cecagno,Diego; Arnuti,Fernando; Denardin,Luiz Gustavo de Oliveira; Bonetti,João de Andrade; Toni,Cezar Augusto Gama de; Borin,José Bernardo Moraes. |
| ABSTRACT This paper aims to discuss the impact of the introduction of pastures and grazing animals in agricultural systems. For the purposes of this manuscript, we focus on within-farm integrated crop-livestock systems (ICLS), typical of Southern Brazil. These ICLS are designed to create and enhance the synergisms and emergent properties have arisen from agricultural areas where livestock activities are integrated with crops. We show that the introduction of the crop component will affect less the preceding condition than the introduction of the livestock component. While the introduction of crops in pastoral systems represents increasing diversity of the plant component, the introduction of animals would represent the entry of new flows and interactions... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Grazing management; Integrated crop-livestock system; Sustainable intensification. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982018000100300 |
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| Carvalho,Paulo César de Faccio; Rocha,Lemar Maciel da; Baggio,Carolina; Macari,Stefani; Kunrath,Taise Robinson; Moraes,Aníbal de. |
| Monitoraram-se variáveis relacionadas à produção e à estrutura de pastos de aveia-preta (Avena strigosa, Schreb) e azevém (Lolium multiflorum, Lam) manejados em quatro alturas (10, 20, 30 e 40 cm), em pastejo contínuo com lotação variável (put and take). Utilizaram-se novilhos de corte mestiços de aproximadamente 10 meses de idade com peso médio inicial de 190 kg, em delineamento de blocos completos casualizados com três repetições. Investigou-se o tipo de distribuição das frequências de altura em seis datas, bem como o potencial de predição da massa seca de forragem por meio da altura do pasto. A massa de forragem aumentou de forma linear de acordo com a altura do pasto: cada 1 cm de aumento na altura acima de 10 cm correspondeu a um acréscimo de cerca de... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Altura do pasto; Avena strigosa; Estrutura do pasto; Lolium multiflorum; Manejo do pastejo. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000900001 |
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| Barbosa,Cristina Maria Pacheco; Carvalho,Paulo César de Faccio; Cauduro,Guilherme Fernandes; Lunardi,Robson; Kunrath,Taise Robinson; Gianluppi,Gustavo Dal Forno. |
| Avaliou-se o desempenho de cordeiros em pastagem de azevém anual (Lolium multiflorum Lam.) manejada em duas intensidades (moderada e baixa, 2,5 ou 5,0 vezes o potencial de consumo) e dois métodos de pastejo (lotação rotacionada ou contínua) durante 113 dias. O delineamento experimental foi o de blocos casualizados, em esquema fatorial 2 × 2 × 4 com quatro repetições. Não houve interação métodos × intensidades de pastejo e, portanto, seus efeitos foram analisados de forma independente. A intensidade de pastejo moderada resultou em menor oferta de forragem, menor massa média e menor altura da pastagem. As características qualitativas da forragem também foram afetadas positivamente pela intensidade moderada. A altura e a massa de forragem foram maiores no... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ganho/área; Ganho médio diário; Lotação contínua; Lotação rotacionada. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982007000900002 |
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| Kunrath,Taise Robinson; Carvalho,Paulo Cesar de Faccio; Cadenazzi,Mónica; Bredemeier,Christian; Anghinoni,Ibanor. |
| ABSTRACTGrazing livestock in integrated crop-livestock systems can cause impacts in the subsequent crop cycle. Aiming to investigate how grazing could affect soybean, the 9th crop cycle of a pasture/soybean rotation was assessed. Treatments were grazing intensities (10, 20, 30 and 40 cm of sward height) applied since 2001 in a mixed of oat and annual ryegrass; and an additional no grazing area as control. Treatments were arranged in a completely randomized block design with three replicates. Grazing affected soybean population and the mass of individual nodules (P<0.05), while the number and mass of nodules per plant were similar (P>0.05). Soybean yield showed differences among treatments, but no difference was found between grazed and non-grazed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Grazing management; Mixed crop-livestock system; Soybean yield components; Stocking rates. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902015000300645 |
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