Carey PL, Drewery JJ, Muirhead RW. 2003. A Study to Assess the Magnitude of Run-off, Nutrient and Bacterial Contaminants, from a Border-dyke Flood-irrigated Paddock under Dairying Situated in the Upper Waikakahi Catchment. Client report prepared by AgResearch for Fonterra Research Centre.
Drewery JJ, Mongahan RM, McGowan A, Smith LC, Roach GC. 2003. Best Practice Dairying Catchments for Sustainable Growth: 2003 Soil Quality Survey Results.
McDowell RW, Wilcock RJ. 2004. Particulate Phosphorous Transport with Stream Flow of an Agricultural Catchment. Journal of Environmental Quality 33: 2111-21.
Mongahan RM, Drewery JJ, Thorrold BS, Carey PL, Smith LC, Roach C. 2001. Best Practice Dairying Catchments for Sustainable Growth: Sampling Results December 2001.
Mongahan RM, Drewery JJ, Betteridge K, Thorrold BS, Carey PL, Smith C, McDowell RW. 2003. Best Practice Dairying Catchments for Sustainable Growth: Cost-benefit Analysis of Selected Best Management Practices for Dairy Farms within the Four Best Practice Dairy Catchments.
Mongahan RM, de Klein CAM, Smeaton D, Stevens D, Hyslop MG, Drewery JJ, Smith LC, Thorrold BS. 2004. The Environmental and Economic Performance of Dairy Systems with the Four Best Practice Dairy Catchments. Client report prepared for FertResearch.
Wilcock RJ, Duncan M. 2003. Best Practice Catchments for Sustainable Growth - A Review of Water Quality. NIWA client report prepared for Fonterra Research Centre.