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Volume 1, Pages 449-456
Research Article

Nitrogen Fertilizer Factory Effects on the Amino Acid and Nitrogen Content in the Needles of Scots Pine

Department of Botany, University of Agriculture of Lithuania, Kaunas-Akademija, Lithuania

Academic Editor: Joe Wisniewski

Copyright © 2001 Eugenija Kupsinskiene.


The aim of the research was to evaluate the content of amino acids in the needles of Pinus sylvestris growing in the area affected by a nitrogen fertilizer factory and to compare them with other parameters of needles, trees, and sites. Three young-age stands of Scots pine were selected at a distance of 0.5 km, 5 km, and 17 km from the factory. Examination of the current-year needles in winter of the year 2000 revealed significant (p