@article {46943,
	title = {Degree of phosphorus saturation thresholds in Alberta soils},
	year = {2006},
	pages = {48},
	institution = {Alberta Soil Phosphorus Limits Project},
	url = {http://www1.agric.gov.ab.ca/$department/deptdocs.nsf/ba3468a2a8681f69872569d60073fde1/0c4f10f4d568ca96872573be006fd8cb/$FILE/vol-3-phos-saturation.pdf},
	author = {Casson, Janna P. and Bennett, D. Rodney and Nolan, Sheilah C. and Olson, Barry M. and Ontkean, Gerald R. and Little, Joanne L.}
}
