scholarly journals Seasonal and temporal factors leading to urea‐nitrogen accumulation in surface waters of agricultural drainage ditches

Author(s):  
Sabrina A. Klick ◽  
Joseph S. Pitula ◽  
Ray B. Bryant ◽  
Amy S. Collick ◽  
Fawzy M. Hashem ◽  
...  
2018 ◽  
Author(s):  
Nadia Casillas Ituarte ◽  
◽  
Kelsey Danner ◽  
Alexandra Covault ◽  
Kevin King ◽  
...  

2002 ◽  
Vol 28 (4) ◽  
pp. 1678-1682 ◽  
Author(s):  
Charles M. Cooper ◽  
Matthew T. Moore ◽  
Erin R. Bennett ◽  
Sammie Smith ◽  
Jerry L. Farris

2011 ◽  
Vol 91 (3) ◽  
pp. 427-436 ◽  
Author(s):  
Shalamar Armstrong ◽  
Douglas Smith ◽  
Phillip Owens ◽  
Brad Joern ◽  
April Leytem ◽  
...  

Armstrong, S. D., Smith, D. R., Owens, P. R., Joern, B. C., Leytem, A. B., Huang, C.H. and Adeola, L. 2011. Phosphorus and nitrogen loading depth in fluvial sediments following manure spill simulations. Can. J. Soil Sci. 91: 427–436. The depth of nitrogen (N) and phosphorus (P) loading in fluvial sediments following a manure spill has not been documented. Thus, the objectives of this study were: (i) to determine the depth of N and P enrichment as a result of a manure spill under base flow conditions using fluvarium techniques and (ii) to evaluate the impact of sediment particle size distribution on N and P enrichment depth. Manure spills were simulated using stream simulators and ditch sediments collected from agricultural drainage ditches. During the manure spill simulation, the P sorption capacity of all sediments exponentially decreased with time and the NH4-N sorption capacity remained constant with time. The P and NH4-N loading in all sediments were observed to the depth of 2 cm, but were most concentrated in the 0- to 1-cm depth ranging in concentrations from 3 to 12 mg P kg−1 and from 7.2 to 45 mg NH4-N kg−1. Data from this study give a basis for the advancement of manure spill remediation that will reduce the impairment of surface waters via the release of nutrients from enriched sediments following a manure spill.


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