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Published online 25 July 2006
Published in Crop Sci 46:1955-1962 (2006)
© 2006 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Fertilization and Mowing Effects on Unimproved Mixed-Species Hayfields in Quebec, Canada

Nikita S. Eriksen-Hamel and Joann K. Whalen*

Dep. of Natural Resource Sciences, Macdonald Campus of McGill Univ., 21,111 Lakeshore Rd., Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada


Figure 1
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  		Fig. 1. Mean weekly maximum and minimum temperatures (solid lines) and weekly rainfall totals (dark-colored columns) for 2004 and 2005, and 30-yr mean maximum and minimum temperatures (dotted line) and rainfall totals (light-colored columns) at Macdonald Campus Research Farm. The calendar day and month are shown on the x axis.

 

Figure 2
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  		Fig. 2. Total grass dry matter (DM) yield (Mg ha–1) for each fertilizer and mowing treatment in each year. Values shown as mean ± SE (n = 4). Columns with similar letters are not significantly different by Tukey's means comparisons test (P = 0.05).

 

Figure 3
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  		Fig. 3. Biweekly grass yields (Mg DM ha–1) from mown plots. Values are the mean ± SE of four replicates for each fertilizer treatment. DM, dry matter.

 

Figure 4
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  		Fig. 4. Tissue N concentration (g N kg–1 DM) for each fertilizer and mowing treatment in each year. Mown treatments shown in dark lines and unmown treatment in lighter colored lines. Values shown as mean ± SE. DM, dry matter.

 




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