Effects of nitrogen on the growth and nitrogenous compounds of Ceratophyllum demersum

E.P.H. Best

    Research output: Contribution to journal/periodicalArticleScientificpeer-review

    Abstract

    The effects of high concentrations of nitrogen on Ceratophyllum demersum L. were studied. Nitrogen was added in the form of nitrate or ammonia. Growth and morphology were not affected by nitrate up to a concentration of 105 mg l−1. Ammonia, supplied in low concentration during a short period, stimulated growth; higher concentrations, applied for a prolonged period, were toxic. Increased levels of both nitrate and ammonia in the ambient water enhanced the nitrogen content of the plants. The amino acid concentration and composition, however, remained relatively constant.
    Original languageEnglish
    Pages (from-to)197-206
    JournalAquatic Botany
    Volume8
    Issue number2
    DOIs
    Publication statusPublished - 1980

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