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The Effect of Nitrogen Fertilization on the Production of Halophytes in an Inland Salt Marsh
David G. Loveland and Irwin A. Ungar
The American Midland Naturalist
Vol. 109, No. 2 (Apr., 1983), pp. 346-354
Published by: The University of Notre Dame
Stable URL: http://www.jstor.org/stable/2425415
Page Count: 9
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The effect of nitrogen fertilization on plant production, soil and plant nitrogen content, and species distribution in an Ohio salt marsh was analyzed. Seasonal measurements indicate that the three dominant species attained maximal production at different times during the growing season. Production of Salicornia europaea increased with nitrogen fertilization and it appears that reduced soil nitrogen concentrations may be responsible for the different growth forms of S. europaea found in this marsh. Shoot nitrogen concentrations of S. europaea were inversely related to the growth response to fertilization. High tissue nitrogen concentrations in Hordeum jubatum and Atriplex triangularis suggest that some factor other than nitrogen is limiting to these species.
The American Midland Naturalist © 1983 The University of Notre Dame