K. Chipperfield

Agricultural land use practices and nitrate contamination in the Abbotsford Aquifer, British Columbia, Canada

B. Zebarth, H. Liebscher, S. Szeto, 1998 .

Nutrient losses to soil from field storage of solid poultry manure

B. Zebarth, J. Paul, K. Chipperfield, 1999 .

Poultry manure effects on soil nitrogen processes and nitrogen accumulation in red raspberry

B. Zebarth, J. Paul, C. Kowalenko, 2000 .