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

E.P.H. Best

doi:10.1016/0304-3770(80)90051-0

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

E.P.H. Best

Research output: Contribution to journal/periodical › Article › Scientific › peer-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 language	English
Pages (from-to)	197-206
Journal	Aquatic Botany
Volume	8
Issue number	2
DOIs	https://doi.org/10.1016/0304-3770(80)90051-0
Publication status	Published - 1980

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Best, E. P. H. (1980). Effects of nitrogen on the growth and nitrogenous compounds of Ceratophyllum demersum. Aquatic Botany, 8(2), 197-206. https://doi.org/10.1016/0304-3770(80)90051-0

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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.",

author = "E.P.H. Best",

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AB - 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.

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