Nitrogen and phosphorus losses in surface runoff water from various cash cropping systems.

Jiao, P.J., Zhang, T.Q., Xu, D., and Wang, S.L. (2010). "Nitrogen and phosphorus losses in surface runoff water from various cash cropping systems.", XVIIth World Congress of the International Commission of Agricultural Engineering (CIGR): Sustainable Development through Engineering, Québec City, QC, Canada, June 13-17, 2010, Paper No. IDS-CSBE-100082.