2009
DOI: 10.1590/s0100-83582009000300005
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Abstract: RESUMO -O objetivo deste trabalho foi avaliar a eficiência da sobressemeadura da soja, utilizando plantas de cobertura, na redução da emergência de plantas daninhas e seus reflexos na produtividade da cultura da soja cultivada na safra seguinte. O delineamento utilizado foi de blocos ao acaso, em esquema de parcelas subdivididas, com o fator época na parcela e o fator plantas de cobertura nas subparcelas, com quatro repetições. A soja foi semeada em decumbens, Eleusine coracana, Pennisetum glaucum e Cober Crop… Show more

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Cited by 33 publications
(38 citation statements)
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“…These authors point out that, in the south of Brazil, the soil cover in the winter, without grazing, promotes good control of weeds, contributing to the summer crops. Similar results were obtained by Pacheco et al (2009) in an experiment of oversowing in soybean using Brachiarias. These authors observed that the oversowing reduced the emergence of the weeds 'apaga-fogo' (A. tenella) and 'capim-carrapicho' (C. echinatus).…”
Section: Resultssupporting
confidence: 86%
“…These authors point out that, in the south of Brazil, the soil cover in the winter, without grazing, promotes good control of weeds, contributing to the summer crops. Similar results were obtained by Pacheco et al (2009) in an experiment of oversowing in soybean using Brachiarias. These authors observed that the oversowing reduced the emergence of the weeds 'apaga-fogo' (A. tenella) and 'capim-carrapicho' (C. echinatus).…”
Section: Resultssupporting
confidence: 86%
“…Biomass yield and soil cover can assist in controlling weeds, with the aid of physical, chemical and microbiological methods, besides allelopathy (Pacheco et al 2009). The physical effect of mulch contributes to shade the soil, inhibiting seed germination and weed infestation, thus enabling a crop development with less initial competition (Queiroz et al 2010).…”
Section: Palavras-chavementioning
confidence: 99%
“…The increase in demand for grains and the need for mitigation of environmental impacts in agriculture have become very important to the development of sustainable production techniques that are more efficient for increasing yield. When considering that the chemical weed control is the main technique used by producers, it is necessary to study sustainable and economically viable techniques that can be incorporated in the integrated weed management, such as the benefits of biomass cover crops on the soil surface, in no-till systems (Pacheco et al 2009). …”
Section: Introductionmentioning
confidence: 99%
“…No entanto, esses resultados não se refletiram na produção de grãos de soja, pois os tratamentos de consór-cios não diferiram da testemunha de milho em monocultivo. Pacheco et al (2009) verificaram que o estande, o número de vagens com dois e três grãos e a massa de mil grãos de soja cultivada sobre palha de diferentes plantas de cobertura praticamente não tiveram alterações. Contudo, a produção de grãos foi influenciada pela presença de palha na superfície do solo, obtendo-se maior produtividade sobre cobertura de B. ruziziensis, comparada à da testemunha sem plantas de cobertura (pousio).…”
Section: Implicações Na Cultura Da Soja Em Rotaçãounclassified