Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2008 by Universidad Católica de Valparaíso -- Chile
Vol. 11 No. 2, Issue of April 15, 2008

Figure 2. DNA isolated from soil samples.
(a) Mean yield of DNA extracted from each cornfield (bars correspond to SD).
(b) Samples derived from each cornfield at intervals of three months: (1-5), February, May, August and November 2002, and March 2003; (M), molecular marker.

  Supported by UNESCO / MIRCEN network