@article {45776,
	title = {Uptake and retranslocation of 15N -Urea in a drained minerotrophic peatland : tamarack vs blackspruce. In : 41st Annual Alberta Soil Science Workshop Proceedings "Theme : soil salinity", February 17-19, 2004, Lethbridge, Alberta},
	year = {2004},
	pages = {72-77},
	institution = {Alberta Agriculture, Food and Rural Development, Agronomy Centre},
	author = {Chang, Scott X. and Liang, He}
}
