The manganese and calcium contents of some aquatic plants and the water in which they grow

In a previous issue of Hydrobiologia figures were given of the manganese and calcium contents of Elodea canadensis, Alisma plantago and Sparganium ramosum . Further figures are now given for the aquatic plants Potamogeton natans, Lemna minor, Lemna gibba, Lemna trisulca, Sagittaria sagittifolia, and Carex acutiformis . The determinations were done on an… (More)