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Published online 1 March 2007
Published in J Environ Qual 36:498-507 (2007)
DOI: 10.2134/jeq2005.0465
© 2007 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Inorganic Nitrogen and Phosphorus in Sierran Forest O Horizon Leachate

T. M. Loupea, W. W. Millerc,*, D. W. Johnsonc, E. M. Carrollb, D. Hansederb, D. Glassa and R. F. Walkerc

a Hydrologic Sciences Program, College of Agriculture, Biotechnology, and Natural Resources, Univ. of Nevada, Reno, NV 89512
b Dep. of Natural Resources and Environmental Science, College of Agriculture, Biotechnology, and Natural Resources, Univ. of Nevada, Reno, NV 89512
c Dep. of Natural Resources and Environmental Science, College of Agriculture, Biotechnology, and Natural Resources, Univ. of Nevada, Reno, NV 89512


Figure 1
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  		Fig. 1. Intact forest floor monolith.

 

Figure 2
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  		Fig. 2. Leaching bin apparatus.

 

Figure 3
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  		Fig. 3. Nitrate-N leachate concentrations from each misting and snowmelt cycle for the (A) Oi, (B) Oe, and (C) the Oi + Oe combined treatments. Note the scale differences.

 

Figure 4
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  		Fig. 4. Ammonium-N leachate concentrations from each misting and snowmelt cycle for the (A) Oi, (B) Oe, and (C) the Oi + Oe combined treatments. Note the scale differences.

 

Figure 5
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  		Fig. 5. Nitrate-N vs. NH4+–N concentrations measured in the discharge leachate.

 

Figure 6
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  		Fig. 6. Phosphate-P leachate concentrations from each misting and snowmelt cycle for the (A) Oi, (B) Oe, and (C) the Oi + Oe combined treatments. Note the scale differences.

 




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