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Published online 1 March 2006
Published in J Environ Qual 35:611-616 (2006)
DOI: 10.2134/jeq2005.0301
© 2006 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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Dredging of Drainage Ditches Increases Short-Term Transport of Soluble Phosphorus

Douglas R. Smitha,*, E. A. Warnemuendea, B. E. Haggardb and C. Huanga

a USDA-ARS, National Soil Erosion Research Laboratory, 275 Russell Street, West Lafayette, IN 47907
b USDA-ARS, Poultry Production and Product Safety Research Unit, Fayetteville, AR 72701


Figure 1
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  		Fig. 1. Relative P concentration in simulated ditch water for pre-dredged and dredged sediment treatments for 119 h following initial P loading in a water column of approximately 0.55 mM P.

 

Figure 2
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  		Fig. 2. Mean phosphorus concentration in a desorption experiment following approximately 6 d of P loading for pre-dredged and dredged sediments.

 




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