Vol. 5 No. 1 (1984): Julio-Diciembre

View Vol. 5 No. 1 (1984): Julio-Diciembre
Published: 1984-07-01

Articles

  • Germination test of Diphysa robinioides Benth, under three types of coverage

    Ruben Mora, Dora Rodríguez
    11-20
    DOI: https://doi.org/10.15359/rca.5_6-1.1

  • Alcohol from wood.Another alternative to the alcoholic problem?

    Rónald Dórmond, Juan Carlos Sánchez
    21-32
    DOI: https://doi.org/10.15359/rca.5_6-1.2

  • Acidification of the medium

    María del Rosario Alfaro
    33-48
    DOI: https://doi.org/10.15359/rca.5_6-1.3

  • The importance of pesticides in Costa Rica during 1980-1981

    Claudia Zúñiga, Sileny Vega, Rodrigo Monge
    49-64
    DOI: https://doi.org/10.15359/rca.5_6-1.4

  • Field experiment for the study of a peasant practice: The papaya piloneo (Carica papaya L.)

    Marcia Baraona
    65-72
    DOI: https://doi.org/10.15359/rca.5_6-1.5

  • Poás and Irazú: Parks without the poor

    Eduardo Mora Castellanos
    73-83
    DOI: https://doi.org/10.15359/rca.5_6-1.6

  • Oak defoliation by larvae of Dirphiosis flora (Lepidoptera: Saturniidae) in Loma Larga de Cartago, Costa Rica

    Adelaila Chaverri
    85-90
    DOI: https://doi.org/10.15359/rca.5_6-1.7

  • Introductory notes to the study of scientific and technological development planning problems

    Francisco Fernández, Luis Fernando Fernández
    93-105
    DOI: https://doi.org/10.15359/rca.5_6-1.8

  • Towards an epistemo-methodological proposal for the study of environmental phenomena (preliminary)

    Eduardo Mora Castellanos
    107-113
    DOI: https://doi.org/10.15359/rca.5_6-1.9

  • Current status of agricultural pest control in Costa Rica

    Luko Hilje Quirós
    115-124
    DOI: https://doi.org/10.15359/rca.5_6-1.10

  • Pesticides for restricted use in the United States are freely imported into Costa Rica

    Sileny Vega, Irma M. Maroto
    125-134
    DOI: https://doi.org/10.15359/rca.5_6-1.11

  • Test of the behavior of eleven forest species at Coope-Sierra Cantillo Cooperative in Palmar Norte, South Zone of Costa Rica

    Dora Rodríguez, William Fonseca
    135-138
    DOI: https://doi.org/10.15359/rca.5_6-1.12

  • A system of private biological reserves for Costa Rica

    Adelaila Chaverri
    139-148
    DOI: https://doi.org/10.15359/rca.5_6-1.13

  • Pesticides: Its impact on the environment and public health

    Juan Carlos Sánchez
    151-152
    DOI: https://doi.org/10.15359/rca.5_6-1.14

  • Pesticide poisoning. Training manual for health personnel

    Claudia Zúñiga
    153-154
    DOI: https://doi.org/10.15359/rca.5_6-1.15

  • Manual for the identification of pesticides registered in Costa Rica

    Irma M. Maroto
    155-156
    DOI: https://doi.org/10.15359/rca.5_6-1.16