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Ecología Aplicada

versión impresa ISSN 1726-2216

Resumen

RODRIGUEZ, Luzmila; JUSCAMAITA, Juan  y  VARGAS, Jessie. Effect of em-bokashi medium on the laboratory rearing of the Marine micro alga tetraselmis suecic k.. Ecol. apl. [online]. 2007, vol.6, n.1-2, pp. 111-116. ISSN 1726-2216.

The effect of EM-Bokashi medium on the marine micro alga Tetraselmis suecica reared in the laboratory was studied. Two nutritive media were used: Yashima medium was used as a control treatment and the other medium had organic components coming from EM-Bokashi which is a fertilizing product. The latter was inoculated in three different doses: 1:1000; 1:1500; 1:2000. The highest population growth was obtained with EM-Bokashi and the probiotic microorganisms contained in this medium together with Tetraselmis suecica micro alga had a synergic effect in reducing the concentration of heterotrophic microorganisms present in the culture. The results showed that EM-Bokashi was more efficient than Yashima because it promoted population growth, improved environmental quality and presented less production costs, which arose to 98.8 % less than the control medium.

Palabras llave : Tetraselmis suecica; microalgae; probiotics; EM-Bokashi; Yashima; population growth.

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