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Mostrando ítems 1-6 de 6

    • Changes in Weed Communities of Spring Wheat Crops of Buenos Aires Province of Argentina 

      Scursoni, Julio Alejandro; Gigon, Ramon; Martín, Andrés Nelson; Vigna, Mario Raul; Leguizamón, Eduardo Sixto; Istilart, Carolina Maria; Lopez, Ricardo (2014-03)
      During 2004 to 2008, weed surveys were conducted in 373 wheat fields of two different cropped areas (southwest [SW] and southeast [SE]) of the southern region of Buenos Aires Province of Argentina where different weed ...

    • Impact of Imazamox and Imazapyr Carryover on Wheat, Barley, and Oat 

      Scursoni, Julio Alejandro; Montoya, Jorgelina Ceferina; Vigna, Mario Raul; Gigon, Ramon; Istilart, Carolina Maria; Renzi Pugni, Juan Pablo; Lopez, Ricardo; Porfiri, Carolina (2017-12)
      Imazapyr and imazamox are frequently applied postemergence to control grass and broadleaf weeds in imidazolinone-resistant sunflower in Argentina. Herbicide carryover to rotational crops represents a disadvantage of these ...

    • Modeling Avena fatua seedling emergence dynamics: an artificial neural network approach 

      Chantre Balacca, Guillermo Ruben; Blanco, Anibal Manuel; Lodovichi, Mariela Victoria; Bandoni, Jose Alberto; Sabbatini, Mario Ricardo; Lopez, Ricardo Luis; Vigna, Mario Raul; Gigon, Ramon (Elsevier, 2012-10)
      Avena fatua is an invasive weed of the semiarid region of Argentina. Seedling emergence patterns are very irregular along the season showing a great year-to-year variability mainly due to a highly unpredictable precipitation ...

    • Modeling seed dormancy release and germination for predicting Avena fatua L. field emergence: A genetic algorithm approach 

      Blanco, Anibal Manuel; Chantre Balacca, Guillermo Ruben; Lodovichi, Mariela Victoria; Bandoni, Jose Alberto; Lopez, Ricardo Luis; Vigna, Mario Raul; Gigon, Ramon; Sabbatini, Mario Ricardo (2014-01-24)
      Avena fatua is a cosmopolite weed species which produces severe yield losses in small-grain production systems in temperate and semiarid climates. In the semiarid region of Argentina, A. fatua field emergence patterns show ...

    • Operational planning of herbicide-based weed management 

      Lodovichi, Mariela Victoria; Blanco, Anibal Manuel; Chantre Balacca, Guillermo Ruben; Bandoni, Jose Alberto; Sabbatini, Mario Ricardo; Vigna, Mario Raul; Lopez, Ricardo Luis; Gigon, Ramon (2013-10)
      Weeds cause crop yield loss due to competition, interfere with agricultural activities and reduce grain quality due to seed contamination. Among the numerous methods for weed control, the use of herbicides is the most ...

    • Sustentabilidad socio-económica de explotaciones agropecuarias del sur de la provincia de Buenos Aires. Resultados preliminares de la prueba de indicadores 

      Kruger, Hugo Ricardo; Agamennoni, Raul Jose; Couderc, Jorge Jose; Fernandez Mayer, Anibal; Gonzalez Ferrin, Maria Soledad; Lagrange, Sebastian Pablo; Lopez, Ricardo Luis; Pelta, Hector Raul; Presa, Cecilia Maria; Venanzi, Santiago; Vigna, Mario Raul (Centro Interdisciplinario de Estudios Agrarios, UBA, 2009-11)
      Posiblemente uno de los factores que más conspiró contra los numerosos intentos de atenuar el impacto ambiental de la actividad agropecuaria haya sido la falta de consideración de aquellos aspectos sociales y económicos ...