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Published online 9 August 2007
Published in Soil Sci Soc Am J 71:1547-1554 (2007)
DOI: 10.2136/sssaj2006.0385
© 2007 Soil Science Society of America
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Nitrogen and Water Availabilities and Competitiveness of Bluejoint: Spruce Growth and Foliar Carbon-13 and Nitrogen-15 Abundance

Miwa Matsushimaa and Scott X. Changa,*

a Dep. of Renewable Resources, 442 Earth Science Bldg., Univ. of Alberta, Edmonton, AB T6G 2E3, Canada


Figure 1
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  		Fig. 1. Foliar {delta}13C of (a) bluejoint and (b) white spruce as affected by competition (C), N application level (N, mg N L–1), and watering level (W, % of volumetric soil water content). Error bars are SEs.

 

Figure 2
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  		Fig. 2. Foliar {delta}15N of (a) bluejoint and (b) white spruce as affected by competition (C), N application level (N, mg N L–1), and watering level (W, % of volumetric soil water content). Error bars are SEs.

 

Figure 3
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  		Fig. 3. Relationships between (a) white spruce foliar N concentration and {delta}13C and (b) white spruce foliar N concentration and {delta}15N as affected by competition (C1, competition; C0, no competition), N application level (N, mg N L–1), and watering level (W, % of volumetric soil water content).

 




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