Manejo das pastagens de inverno e potencial produtivo de sistemas de integração lavoura-pecuária no Estado do Rio Grande do Sul

Nicoloso, Rodrigo da Silveira; Lanzanova, Mastrângello Enívar; Lovato, Thomé

doi:10.1590/s0103-84782006000600020

Cited by 32 publications

(35 citation statements)

References 5 publications

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“…Assmann et al (2003) observed that the grazing of white oat and ryegrass did not affect the grain yield of maize cultivated in succession in a no-tillage system. According to Nicoloso et al (2006), there is a reduction in maize yield only when the crop is sown in succession to winter pasture, which is submitted to high intensity grazing. Lunardi et al (2008) observed that the grazing of ryegrass in a crop-livestock system increased soybean yield in comparison to the treatment without grazing.…”

Section: Resultsmentioning

confidence: 99%

“…and vetch (Vicia sativa L. and Vicia villosa Roth.). The integrated crop-livestock system requires adequate management, since land use in winter with pasture under grazing can result in soil compaction and deficiency in straw when a no-tillage system is used (Nicoloso et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

“…The rotational grazing, frequently used in dairy cattle production systems, is characterized by high animal mass per area in a short period of time, a condition which can promote soil compaction due to animal trampling when soil moisture is favorable to soil compaction (Nicoloso et al, 2006). Trein et al (1991) observed an increase in soil penetration resistance, and a reduction in macroporosity and water infiltration at the layers of 0.000 to 0.075 m.…”

Section: Introductionmentioning

confidence: 99%

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Winter pasture and cover crops and their effects on soil and summer grain crops

Antonio

Junior

Pelissari

et al. 2011

Pesq. agropec. bras.

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-The objective of this work was to evaluate the effect of winter land use on the amount of residual straw, the physical soil properties and grain yields of maize, common bean and soybean summer crops cultivated in succession. The experiment was carried out in the North Plateau of Santa Catarina state, Brazil, from May 2006 to April 2010. Five strategies of land use in winter were evaluated: intercropping with black oat + ryegrass + vetch, without grazing and nitrogen (N) fertilization (intercropping cover); the same intercropping, with grazing and 100 kg ha -1 of N per year topdressing (pasture with N); the same intercropping, with grazing and without nitrogen fertilization (pasture without N); oilseed radish, without grazing and nitrogen fertilization (oilseed radish); and natural vegetation, without grazing and nitrogen fertilization (fallow). Intercropping cover produces a greater amount of biomass in the system and, consequently, a greater accumulation of total and particulate organic carbon on the surface soil layer. However, land use in winter does not significantly affect soil physical properties related to soil compaction, nor the grain yield of maize, soybean and common bean cultivated in succession.Index terms: compaction, cover crops, crop-livestock integration, no-tillage, organic carbon. Pastagem e coberturas de inverno e seus efeitos sobre o solo e culturas estivaisResumo -O objetivo deste trabalho foi avaliar o efeito de usos da terra no inverno na quantidade de palha remanescente, nas características físicas do solo e na produção de grãos das culturas estivais de milho, feijão e soja, cultivadas em sucessão. O experimento foi conduzido na região Planalto Norte de Santa Catarina, de maio de 2006 a abril de 2010. Foram avaliados cinco usos da terra no inverno: consórcio de aveia-preta + azevém + ervilhaca, sem pastejo e sem adubação nitrogenada (consórcio cobertura); o mesmo consórcio, com pastejo e 100 kg ha -1 de nitrogênio (N) por ano em cobertura (pastagem com N); o mesmo consórcio, com pastejo e sem adubação nitrogenada (pastagem sem N); nabo forrageiro, sem pastejo e sem adubação nitrogenada (nabo forrageiro); e vegetação natural, sem pastejo e sem adubação nitrogenada (pousio). O consórcio cobertura proporciona maior quantidade de biomassa para o sistema e, consequentemente, maior acúmulo de carbono orgânico total e particulado na camada superficial do solo. No entanto, as formas de uso da terra no inverno não alteram significativamente as características do solo relacionadas à compactação, nem a produtividade de grãos das culturas de milho, feijão e soja, cultivadas em sucessão.Termos para indexação: compactação, plantas de cobertura, integração lavoura-pecuária, plantio direto, carbono orgânico.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Winter pasture and cover crops and their effects on soil and summer grain crops

Antonio

Junior

Pelissari

et al. 2011

Pesq. agropec. bras.

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“…As culturas escolhidas para exploração do solo também podem contribuir para o aumento do estoque de C no solo, como relatado por Diekow (2003), que verificou 45,4 Mg ha -1 de C na camada 0 a 17,5 cm de um Argissolo do Rio Grande do Sul, no sistema guandu/milho, em comparação a 29,2 Mg ha -1 de C no sistema aveia/milho, ambos cultivados em PD durante 18 anos, com estoque inicial de 32,5 Mg ha -1 . Em sistemas de integração lavoura-pecuária, a forma de manejo das pastagens e a lotação animal, por resultarem em diferentes quantidades de massa de forragem e nutrientes reciclados, podem aportar diferentes quantidades de C ao solo (Nicoloso et al, 2006;Lopes et al, 2008, Souza et al, 2008Carvalho et al, 2010).…”

Section: Introductionunclassified

Teor e dinâmica do carbono no solo em sistemas de integração lavoura-pecuária

Salton¹,

Mielniczuk

Bayer

et al. 2011

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar a capacidade de sistemas de manejo do solo alterarem os teores e a dinâmica do carbono no solo. Foram avaliados a vegetação natural e sistemas de manejo compostos de pastagens, lavouras anuais em preparo convencional e em plantio direto, e rotação de pastagem com lavoura, em experimentos de longa duração conduzidos em Dourados, Maracaju e Campo Grande, MS. Os experimentos foram dispostos em delineamento inteiramente casualizado, em Dourados e Maracaju, e em blocos ao acaso em Campo Grande. Foram determinados os teores e os estoques de C total no solo e em frações granulométricas da matéria orgânica do solo (MOS). A qualidade da MOS foi estimada pela relação entre o C nas frações lábil e não lábil, e expressa na forma de labilidade. A pastagem, permanente ou em rotação com lavouras, aumentou o C na fração particulada e a labilidade da MOS. As menores taxas de acúmulo e os menores estoques de C no solo foram observados nos sistemas apenas com lavouras anuais, enquanto os maiores valores foram registrados nos sistemas com pastagens.Termos para indexação: Urochloa decumbens, fração lábil, pastagens, plantio direto, qualidade da matéria orgânica.

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“…An Integrated Crop-Livestock System (ICL) can be defined as a production system that integrates both agricultural and cattle-raising activities with temporary change or grain rotation crops and fattening livestock with grass and/or vegetables (Nicoloso et al, 2006). In ICL, changes in physical attributes can occur, more or less intensely, due to animal trampling that depends upon the intensity and frequency of pasture, since the animals apply pressure on the soil that may be higher to those applied by farm machines (Luz & Herling, 2004).…”

Section: Introductionmentioning

confidence: 99%

Physical quality of a yellow latossol under integrated crop-livestock system

Araújo

Salviano²,

Leite

et al. 2010

Rev. Bras. Ciênc. Solo

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SUMMARYSoil physical quality is essential to global sustainability of agroecosystems, once it is related to processes that are essential to agricultural crop development. This study aimed to evaluate physical attributes of a Yellow Latossol under different management systems in the savanna area in the state of Piaui. This study was developed in Uruçuí southwest of the state of Piauí. Three systems of soil management were studied: an area under conventional tillage (CT) with disk plowi and heavy harrow and soybean crop; an area under no-tillage with soybean-maize rotation and millet as cover crop (NT + M); two areas under Integrated CropLivestock System, with five-month pasture grazing and soybean cultivation and then continuous pasture grazing (ICL + S and ICL + P, respectively). Also, an area under Native Forest (NF) was studied. The soil depths studied were 0.00-0.05, 0.05-0.10 and 0.10-0.20 m. Soil bulk density, as well as porosity and stability of soil aggregates were analyzed as physical attributes. Anthropic action has changed the soil physical attributes, in depth, in most systems studied, in comparison to NF. In the 0.00 to 0.05 m depth, ICL + P showed higher soil bulk density value. As to macroporosity, there was no difference between the management systems studied and NF. The management systems studied changed the soil structure, having, as a result, a small proportion of soil in great aggregate classes (MWD). Converting native forest into agricultural production systems changes the soil physical quality. The Integrated Crop-Livestock System did not promote the improvement in soil physical quality.Index terms: no-tillage system, soil compaction, animal trampling, pasture grazing.( Estudou-se, ainda, uma área sob Floresta Nativa de Cerrado (FN). As profundidades estudadas foram: 0,05, 0,10 e 0,20

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Manejo das pastagens de inverno e potencial produtivo de sistemas de integração lavoura-pecuária no Estado do Rio Grande do Sul

Cited by 32 publications

References 5 publications

Winter pasture and cover crops and their effects on soil and summer grain crops

Winter pasture and cover crops and their effects on soil and summer grain crops

Teor e dinâmica do carbono no solo em sistemas de integração lavoura-pecuária

Physical quality of a yellow latossol under integrated crop-livestock system

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