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Published online 2 February 2006
Published in Soil Sci Soc Am J 70:487-493 (2006)
DOI: 10.2136/sssaj2005.0075
© 2006 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Right arrow Wetland Soils

Denitrification in Marsh-Pond-Marsh Constructed Wetlands Treating Swine Wastewater at Different Loading Rates

P. G. Hunta,*, M. E. Poacha, T. A. Mathenya, G. B. Reddyb and K. C. Stonea

a USDA-ARS, Coastal Plain Soil, Water, and Plant Research Center, 2611 W. Lucas St., Florence, SC 29501
b North Carolina A&T State Univ., Greensboro, NC 27411


Figure 1
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  		Fig. 1. Denitrification enzyme activity in non-amended marsh soils with varying wastewater N applications.

 

Figure 2
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  		Fig. 2. Denitrification enzyme activity in nitrate-amended marsh soils with varying wastewater N applications.

 

Figure 3
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  		Fig. 3. Denitrification enzyme activity in glucose-amended marsh soils with varying wastewater N applications.

 

Figure 4
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  		Fig. 4. Denitrification enzyme activity in nitrate and glucose-amended marsh soils with varying wastewater N applications.

 

Figure 5
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  		Fig. 5. Denitrification enzyme activity in nitrate and glucose-amended marsh soils without acetylene blockage at varying wastewater N applications.

 




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