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A survey of heterocystous nitrogen-fixing cyanobacteria in Chilean rice fields

A survey of heterocystous nitrogen-fixing cyanobacteria in Chilean rice fields

Gayana Botanica 62(1): 26-32

The purpose of this study was to increase knowledge of the nitrogen-fixing cyanobacteria communities of Chilean rice fields. To this end, we sampled 34 rice fields situated between latitudes 34 degrees 30' and 36 degrees 36'S in central Chile. At each site, two water samples and one soil sample were taken. Samples were fixed in 4% formalin before taxonomic determination. A total of 12 filamentous heterocystous taxa were determined, nine of which have not previously been recorded in Chile.

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