USDA-National Institute of Food and Agriculture, Washington, D.C., USA
Department of Environmental Science and Technology, University of Maryland, College Park, PA, USA
Department of Plant and Soil Sciences, Oklahoma State University, Stillwater, USA
USDA-Agricultural Research Service, College Park, PA, USA
Copyright © 2011 Karen L. Grubb, Joshua M McGrath, Chad J. Penn, Ray B. Bryant et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.
How to Cite this Article
Grubb, K. , McGrath, J. , Penn, C. and Bryant, R. (2011) Land application of spent gypsum from ditch filters: phosphorus source or sink?.
Agricultural Sciences,
2, 364-374. doi:
10.4236/as.2011.23048.