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Inherent differences in response of Douglas fir families to nitrogen and phosphorus supply levels

✍ Scribed by R. Driessche; Y. A. El-Kassaby


Publisher
Springer Netherlands
Year
1990
Tongue
English
Weight
380 KB
Volume
54
Category
Article
ISSN
0049-6979

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We evaluated the nitrogen and phosphorus concentration of floating meadows of Eichhornia azurea and Scirpus cubensis in Lagoa do Inferno (State of Sao Paulo, Brazil) . The chemical composition of these plants and of the water (littoral and limnetic zones) was determined during the period March 1987