CIÊNCIA E NATURA, V. 5, N. 5, 1983

View CIÊNCIA E NATURA, V. 5, N. 5, 1983
Published: 1983-12-12

  • Jacaranda micrantha Cham.: isolation and identification of 1-hidroxy-4-oxo-2,5-ciclohexadien-1-ethylacetate. antitumor, antibacterial and antifungal analysis

    07-18
    DOI: https://doi.org/10.5902/2179460X24978

  • Petrography of acid rocks of the Serra Geral Formation in the Paranapanema River region, São Paulo, Brazil

    19-24
    DOI: https://doi.org/10.5902/2179460X24979

  • Study of geochemichal conditioning which leads to dam filter cimentation by iron

    25-44
    DOI: https://doi.org/10.5902/2179460X24980

  • Evolution of agriculture exploration in Rio Grande do Sul

    45-58
    DOI: https://doi.org/10.5902/2179460X24982

  • A proposal on integrated teaching

    59-74
    DOI: https://doi.org/10.5902/2179460X25016

  • Growth of Araucaria angustifolia (Bert.) O. Ktze. in different soils in Passo Fundo, RS National Forest

    75-86
    DOI: https://doi.org/10.5902/2179460X25017

  • Relationships between physical and morphological soil characteristics and growth of Araucaria angustifolia (Bert.) O. Ktze., in Passo Fundo, RS

    87-94
    DOI: https://doi.org/10.5902/2179460X25018

  • Relationships between physical and morphological soil characteristics and growth of Araucaria angustifolia (Bert.) O. Ktze., in Passo Fundo, RS

    95-102
    DOI: https://doi.org/10.5902/2179460X25019

  • Age interpretation and the calculation of growth parameters of the "jundiá", Rhamdia quelen (Quoy & Gaimard, 1824) from the Santa Catarina Swamps (RS)

    103-126
    DOI: https://doi.org/10.5902/2179460X25020

  • Inventory of the malacological fauna from Ibicuí Mirim River, RS

    127-134
    DOI: https://doi.org/10.5902/2179460X25021

  • Inventary of the ictiologic fauna from Ibicuí-Mirim River, RS, Brazil

    135-152
    DOI: https://doi.org/10.5902/2179460X25022

  • Wood anatomy of Maba inconstans (Jacq.) Gris. (Ebenaceae)

    153-160
    DOI: https://doi.org/10.5902/2179460X25023

  • Wood anatomy of Colletia paradoxa (Spreng.) Escalante

    161-170
    DOI: https://doi.org/10.5902/2179460X25024

  • The genus Prosopis L. (Leguminosae Mimosoideae) in Ri o Grande do Sul

    171-178
    DOI: https://doi.org/10.5902/2179460X25025

  • Anatomical study of the secondary xylem of Cassia corymbose Lam. (Leguminosae Caesalpinioideae)

    179-186
    DOI: https://doi.org/10.5902/2179460X25026

  • Mineral nutrition os soybean (Glycine max. L. Merril) before the flowering

    187-195
    DOI: https://doi.org/10.5902/2179460X25027