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Phosphorus amounts and distribution in a Saskatchewan soil after five years of swine and cattle manure applicationQian, P.; Schoenau, J. J.; Wu, T.; Mooleki, P. · Canadian Journal of Soil Science · 2004
Copper and zinc amounts and distribution in soil as influenced by application of animal manure in east-central SaskatchewanQian, P.; Schoenau, J. J.; Wu, T.; Mooleki, S. P. · Canadian Journal of Soil Science · 2003