Search Results

Refine Results
  1. Cover Image

    Control y normas de calidad de las semillas certificadas de arroz by Arregocés, Oscar, Douglas, Johnson E., González Franco, Joaquín, Marroquin, AD

    Published 1980
    Get full text
    Libro
  2. Cover Image

    Elementos esenciales para el éxito de un programa de semillas by Douglas, Johnson E., Poey Diago, Federico Raúl, Robayo Vanoy, G, Arregocés, Oscar

    Published 1981
    Get full text
    Manual
  3. Cover Image

    Essential elements for successful seed programs by Douglas, Johnson E., Poey Diago, Federico Raúl, Robayo Vanoy, G, Arregocés, Oscar, Fernández de Soto, J.

    Published 1983
    Get full text
    Manual
  4. Cover Image

    Producción y beneficio de semilla certificada de arroz by González Franco, Joaquín, Douglas, Johnson E., Arregocés, Oscar

    Published 1981
    Get full text
    Manual
  5. Cover Image

    Programas de semillas: guía de planeación y manejo by Douglas, Johnson E.

    Published 1982
    Get full text
    Libro
  6. Cover Image

    Semilla de fríjol de buena calidad by Ospina O., Héctor Fabio, Acosta, A.J., Douglas, Johnson E., Flor Montoya, Carlos A.

    Published 1980
    Get full text
    Manual
  7. Cover Image

    A profile of the seed industry in Latin America by Douglas, Johnson E., Garay, AE

    Published 1987
    Get full text
    Libro
  8. Cover Image

    Cómo se inspecciona un campo semillero?: metodología de muestreo by Douglas, Johnson E., Garay, AE

    Published 1980
    Get full text
    Conference Paper
  9. Cover Image

    Practices used by small farmers in selecting and maintaining their own seed by Douglas, Johnson E.

    Published 1982
    Get full text
    Conference Paper
  10. Cover Image

    Certificación de semillas: su papel y componentes esenciales by Douglas, Johnson E.

    Published 1979
    Get full text
    Informe técnico
  11. Cover Image

    Una estrategia nacional de capacitación en semillas para acelerar el desarrollo de un programa by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico
  12. Cover Image

    Legislación sobre semillas by Douglas, Johnson E.

    Published 1974
    Get full text
    Informe técnico
  13. Cover Image

    Aspectos que se deben considerar cuando se van a elaborar o a cambiar los estándares de calidad de semilla by Douglas, Johnson E., Garay, AE, Soplin, H., Polanía F, F, Everson, L

    Published 1983
    Get full text
    Informe técnico
  14. Cover Image

    Organizing and operating a seed certifying authority by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico
  15. Cover Image

    The CIAT Seed Unit : achievements and expectations by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico
  16. Cover Image

    Seed certification : its role and essential components by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico
  17. Cover Image

    Maneras de asegurar un suministro adecuado de semilla certificada y comercial by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico
  18. Cover Image

    Organización y operación de una autoridad de certificación de semillas by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico
  19. Cover Image

    Policies: their impact on the seed program by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico
  20. Cover Image

    Políticas: su impacto en el programa de semillas by Douglas, Johnson E.

    Published 1983
    Get full text
    Informe técnico

Search Tools: