Determination of some key factors for Ontario soil P index and effectiveness of manure application practices for mitigating risk to water resource.

Zhang, T.Q., Hu, Q.C., Wang, Y.T., Tan, C.S., O'Halloran, I.P., Drury, C.F., Reid, D.K., Ball Coelho, B.R., Ma, B.-L., Welacky, T.W., Reynolds, W.D., Lauzon, J.D., Speranzini, D., MacDonals, I., et Patterson, G. (2009). « Determination of some key factors for Ontario soil P index and effectiveness of manure application practices for mitigating risk to water resource. », Nutrient Management Joint Research Program, OMAFRA, Guelph, ON, Canada, March 10, 2009, Report NM8002.