Winter Soybean
Mostrando 13-24 de 42 artigos, teses e dissertações.
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13. Effects of surface application of dolomitic limestone and calcium-magnesium silicate on soybean and maize in rotation with green manure in a tropical region
Although lime is currently the material most frequently used to ameliorate soil acidity in Brazil, silicate could efficiently replace this source because of its greater solubility and its greater silicon content, which are beneficial for plant development. This study aimed to evaluate the effects of superficial lime and silicate application on soil chemical
Bragantia. Publicado em: 21/07/2015
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14. Survival of Diaporthe phaseolorum var. caulivora (causal agent of soybean stem canker) artificially inoculated in different crop residues
Stem canker caused by Diaporthe phaseolorum var. caulivora is an important disease of soybean in Argentina. The objective of this study was to determine its survival ability in artificially infested straw under laboratory and field conditions. In laboratory, stem pieces of soybean, maize, sorghum, sunflower, potato and wheat were autoclaved, placed in petri
Tropical Plant Pathology. Publicado em: 2012-08
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15. Variation on the amount of winter cover crops residues on weeds incidence and soil seed bank during an agricultural year
This study analyzed possible interferences associated to the amount of crop residues produced by the black oats and the consortium of black oats, common vetch and forage turnip on weeds incidence and soil seed bank. It was a field trial with seven treatments and five replications. The cover crop was sown at throwing, cut at 100 days and residues were put on
Brazilian Archives of Biology and Technology. Publicado em: 2011-08
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16. Stability of soybean yield through different sowing periods.
Soybean yield is highly affected by sowing period and there are significant productivity losses when sowings are done outward a relatively restricted period in many regions of Brazil. Breeding cultivars less sensitive to photoperiod and to temperature variations is desirable for adaptation to wider sowing period and wider latitude range and also make irrigat
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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17. Soybean cultivar BR-16-AHAS tolerance to the herbicide imazapyr.
The objective of this work was to evaluate the effect of the transgenic soybean BR-16-AHAS genetic constitution on the tolerance to the herbicide imazapyr. BR-16-AHAS was crossed with ten other genotypes. The experimental design was a complete randomized block, in a 2x12x3 factorial arrangement, with two sowing periods (winter and summer), twelve crossing gr
Pesquisa Agropecuária Brasileira. Publicado em: 2011
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18. Microbial soil quality indicators under different crop rotations and tillage management.
An experiment was carried out under field conditions to assess the effects of soil management (no-tillage- NT and conventional tillage- CT) and crop rotation systems on microbial biomass-C (Cmic), basal soil respiration (BSR), metabolic quotient (qCO2), soil organic carbon content (Corg) and microbial carbon to organic carbon ratio (Cmic/Corg). Soil samples
Revista Ciência Agronômica. Publicado em: 2011
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19. Influencia do nitrogenio e do potassio no crescimento e no rendimento da soja cultivada no inverno.
Com o objetivo de estudar o efeito da ureia e do cloreto de potassio no crescimento das plantas, no acumulo de N e de K na parte aerea e no rendimento da soja cultivada no inverno, foi instalado um experimento nas Estacoes Experimentais de Mococa, Ribeirao Preto e Votuporanga, SP, do Instituto Agronomico. Foram estudadas tres doses de N na forma de ureia (0,
Pesquisa Agropecuaria Brasileira. Publicado em: 2011
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20. Gene flow of genetically modified soybeans, in summer and winter sowings, with isolations of soybean or maize / Fluxo gênico de soja geneticamente modificada, em semeaduras de verão e de inverno, com isolamentos de soja ou milho
Genetically modified soybean, tolerant to glyphosate, expanded its growing area in few years becoming the most sown in the country. The advantages of its use are many compared to the conventional soybean, which has led soybean farmers to prefer it. However, since some markets still prefer conventional soybean and its production occurs in smaller areas, there
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/12/2010
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21. Oviposição, desenvolvimento e reprodução de Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) em diferentes hospedeiros de importância econômica
The host selection for oviposition by Spodoptera frugiperda (J.E. Smith) among corn, millet, cotton and soybean, and its relationship with the biological characteristics were investigated. Free and non-choice tests for oviposition using plots containing five plants each, from each host in plastic greenhouse, resulted in similar oviposition preference among t
Neotropical Entomology. Publicado em: 2010-12
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22. Consórcio de milho com adubos verdes e manejo da adubação nitrogenada no cultivo de feijão em sucessão no sistema integração lavoura-pecuária no cerrado / Nitrogen fertilization management in bean cultivated after maize-legumes intercropping in the Crop-Livestock Integration system in Brazilian Savannah
Ten experiments were performed involving common beans and maize intercropped with legumes and/or Brachiaria brizantha, in the summer crops of 2008/2009, 2009 winter and summer of 2009/2010 in two municipalities in the Goiás (GO) state, Brazil. In Ipameri- GO, the area was planted with soybeans for several years and corn associated with B. brizantha in crop
Publicado em: 2010
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23. Avaliação do hipoclorito de sódio na severidade da ferrugem asiática, do oídio e nas características químicas da soja
Soybean [Glycine max (L) Merril] is a crop with great world economic expression due to its nutritional content and multiple usages. Its constant cultivation has lead to the development of many diseases affecting yield and quality. Powdery mildew (Erysiphe diffusa (Cooke &Peck)) and asian soybean rust (Phakopsora pachyrhizi (Syd. &P. Syd)) are among the most
Publicado em: 2009
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24. Manejo da cultura da soja e plantas invasoras sob cobertura vegetal de aveia preta e consÃrcio de aveia preta, ervilhaca comum e nabo forrageiro
The adjustment of a cover crop to the agricultural system, with species whose chemical composition has substances able to control weeds, is a promising alternative to decrease herbicides application in agriculture. So, this trial aimed at analyzing the interference of black oats residues as well as black oat, common vetch and forage turnip consortium on weed
Publicado em: 2009