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Weitere Untersuchungen mit dem Gaswechselschreiber uber die Kohlensaureassimilation

, : Weitere Untersuchungen mit dem Gaswechselschreiber uber die Kohlensaureassimilation. Planta 30(3): 341-352

The apparatus is descr. Stichococcus bacillaris was used. The organic nutrient level of the algae does not seem to influence the shape of the early part of the photosynthesis curve obtained after darkening. However, different inorganic media change the shape of the rising curve. In the Eiler medium after darkening there follows an immediate rise which is lost after a few secs. Then a gradual rise leads to a final value after 3-4 mins.; in the Kolkwitz medium the principle is the same but the 1st rise and the 2d are not separated by a minimum. A 2d dip of the curve was not recorded.


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