Resultados de búsqueda - ((esteee OR testd) OR ((est OR estos) OR ((restaaos OR textas) OR (tested OR text)))) point~

  1. 1061
  2. 1062
  3. 1063
  4. 1064

    Desarrollo histórico de la educación a distancia (Historical development of distance education) por Jardines Garza, Francisco Javier

    Publicado 2009
    “…In this paper we describe the historical development in distance education from a general point of view. We resume the historical evolution of internet, and its relationship with important social issues as communication, defense, and education. …”
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    Artículo
  5. 1065

    Ecología y fisiología en las primeras fases de crecimiento de plantas suculentas en el sur del desierto chihuahuense en México y las montañas de Córdoba en Argentina. por Pérez Sánchez, Reyes Manuel

    Publicado 2018
    “…The difference that a microenvironment of a nurse plant can provide in the physiological functioning of desert succulent seedlings could be tested by measuring the plant growth and photosynthesis. …”
    Enlace del recurso
    Tesis
  6. 1066

    Ecología y fisiología en las primeras fases de crecimiento de plantas suculentas en el sur del desierto chihuahuense en México y las montañas de Córdoba en Argentina. por Pérez Sánchez, Reyes Manuel

    Publicado 2018
    “…The difference that a microenvironment of a nurse plant can provide in the physiological functioning of desert succulent seedlings could be tested by measuring the plant growth and photosynthesis. …”
    Enlace del recurso
    Tesis
  7. 1067
  8. 1068
  9. 1069
  10. 1070
  11. 1071

    Comportamiento de tres ácidos fúlvicos en la nutrición y distribución de raíz del chile piquín y naranjo por López Salazar, Rubén

    Publicado 2009
    “…Abstract In order to determine the behavior of three fulvic acids in nutrition and root distribution of piquin pepper and orange through image analysis, 216 plants were established for both crops in black plastic bags to nursery, which contained 4 kg Ap horizon of a Calcisols, each of the different treatments in combination with chemical fertilizer mineral triple 17 the rate of 30 to 5 g per plant orange and piquin pepper plant, being 30 and 5 g of 100 percent fertilization (nutrient solution high-SNA), which was reduced by 25 percent for half application (nutrient solution half-NMS) and similarly low for use application as low (low-nutrient solution SNB) for both cultivars these nutrient solutions were used as a witness and a witness all (TA), was added 2, 4 and 6 ml lt-1 fulvic acids made from a hen Miyaction (M), the experimental Christian Bro's Marketing Group (CB) and Kationic (K) from leonardite. …”
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    Tesis
  12. 1072

    Comportamiento de tres ácidos fúlvicos en la nutrición y distribución de raíz del chile piquín y naranjo por López Salazar, Rubén

    Publicado 2009
    “…Abstract In order to determine the behavior of three fulvic acids in nutrition and root distribution of piquin pepper and orange through image analysis, 216 plants were established for both crops in black plastic bags to nursery, which contained 4 kg Ap horizon of a Calcisols, each of the different treatments in combination with chemical fertilizer mineral triple 17 the rate of 30 to 5 g per plant orange and piquin pepper plant, being 30 and 5 g of 100 percent fertilization (nutrient solution high-SNA), which was reduced by 25 percent for half application (nutrient solution half-NMS) and similarly low for use application as low (low-nutrient solution SNB) for both cultivars these nutrient solutions were used as a witness and a witness all (TA), was added 2, 4 and 6 ml lt-1 fulvic acids made from a hen Miyaction (M), the experimental Christian Bro's Marketing Group (CB) and Kationic (K) from leonardite. …”
    Enlace del recurso
    Tesis
  13. 1073

    La gestión bajo una cultura de calidad en México: una verificación empírica. por Rositas Martínez, Juan

    Publicado 2004
    “…Se hace referencia a la escasez de investigaciones en las que se ponga a prueba estadísticamente los conceptos de teóricos, practicantes y consultores del área de la calidad. El autor propone y pone a prueba un modelo agregado de ecuaciones estructurales basado en datos de campo de su investigación de doctorado aportados por 45 empresas manufactureras mexicanas. …”
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    Artículo
  14. 1074

    Manejo de herbicidas sintéticos y extractos vegetales para controlar malezas en cultivos básicos: maíz, frijol y sorgo. por Muñiz Moreno, Lucero

    Publicado 2017
    “…The method and solvent with more extraction of total polyphenols in the two plants was: Method of incubation with ethanolic solvent; which was applied to concentrations 1.5, 3.5 and 6.5% in bioassays of germination and foliar aspersion in five plant species; Zea mays, Phaseolus vulgaris, Sorghum bicolor, Xanthium strumarium y Helianthus annuus. …”
    Enlace del recurso
    Tesis
  15. 1075

    Manejo de herbicidas sintéticos y extractos vegetales para controlar malezas en cultivos básicos: maíz, frijol y sorgo. por Muñiz Moreno, Lucero

    Publicado 2017
    “…The method and solvent with more extraction of total polyphenols in the two plants was: Method of incubation with ethanolic solvent; which was applied to concentrations 1.5, 3.5 and 6.5% in bioassays of germination and foliar aspersion in five plant species; Zea mays, Phaseolus vulgaris, Sorghum bicolor, Xanthium strumarium y Helianthus annuus. …”
    Enlace del recurso
    Tesis
  16. 1076
  17. 1077
  18. 1078
  19. 1079
  20. 1080

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