Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2006 by Universidad Católica de Valparaíso -- Chile
Vol. 9 No. 4, Issue of July 15, 2006

Figure 1. Pareto chart of standardized estimated effects of the different variables tested in the prospective experiment on exopolysaccharides production by Rhizobium sp. The variables tested were: calcium carbonate concentration (X1), aeration (X2) and agitation (X3). The point at which the effect estimates were statistically significant (p = 0.050) is indicated by stippled line.

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