Neilsen, Denise, Ph.D.

Research Scientist


Contact Information:

Highway 97
Summerland, British Columbia V0H 1Z0
Telephone: 250-494-6417
Fax: 250-494-0755
Email: denise.neilsen@agr.gc.ca

Areas of Expertise:

  • precision management of water and nutrients for woody perennial crops through understanding plant demand
  • climate effects on the demand for irrigation water at plant and watershed scale
  • climate limitations to crop suitability and quality

Current Projects:

  • Impacts of climate change and variability on water resources and perennial crops in British Columbia
  • Optimize management practices to decrease environmental risk and improve nutrient use efficiency within various and varying production systems.
  • Development and utilization of Beneficial Management Practices (BMPs) that improve/optimize water quality and quantity

Affiliations:

  • Okanagan Basin Water Board Stewardship Committee

Research Publications:

The links below lead to abstracts with access to full text.

2013

2012

2011

2010

2009

Other Science Related Publications:

2012

  • Forge, T.A., Kenney, E., Neilsen, D., and Zebarth, B.J. (2012). "Alternatives to fumigation.", 54th Annual Horticulture Growers’ Short Course, Abbotsford, BC, Canada, January 26-28, 2012, pp. 29-32.
  • Quamme, H.A. and Neilsen, D. (2012). "The Potential Impact of Climate Change on Temperate Zone Woody Perennial Crops.", in Storey, K.B. and Tanino, K.K. (eds.) - Temperature Adaptation in a Changing Climate: Nature at Risk (CABI Climate Change Series No. 3), CABI Publishing, Wallingford, UK, Chapter 15, pp. 218-228.

2011

  • Forge, T.A., Neilsen, D., Neilsen, G.H., and Hogue, E.J. (2011). "Influences of organic mulches on development of root-lesion nematode populations in relation to indicators of soil food web structure during apple orchard establishment.", Canadian Journal of Plant Pathology, 33, pp. 276. (Abstract)
  • Forge, T.A., Neilsen, G.H., Neilsen, D., Walters, T.W., and Koch, C.A. (2011). "Using organic amendments and mulches to preferentially enhance biological activity and suppress plant pathogens in root zone soil under perennial fruit crops.", Soils Ecology Society Meeting 2011, University of British Columbia - Okanagan, Kelowna, BC, Canada, May 24-27, 2011.
  • Forge, T.A., Neilsen, G.H., Smit, R., Neilsen, D., Bowen, P.A., and Hannam, K. (2011). "Nematode parasites of grapevines in the Okanagan Valley: What are their potential impacts? What can we do about them?", 12th Annual Enology & Viticulture Conference and Trade Show, Penticton, BC, Canada, July 18-19, 2011.
  • Hannam, K., Neilsen, G.H., Neilsen, D., and Forge, T.A. (2011). "Improving the yeast assimiliable nitrogen status of wine grape juice.", 12th Annual Enology & Viticulture Conference and Trade Show, Penticton, BC, Canada, July 18-19, 2011.
  • Hannam, K., Neilsen, G.H., and Neilsen, D. (2011). "The concentrations of yeast assimiliable N in wine grape juice can be manipulated using deficit irrigation ,crop load reduction and nitrogen fertilization. 382-8 S08 Soil nutrient management and soil and plant analyses.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
  • Neilsen, D. and Cannon, A.J. (2011). "Modeling Water Demand for the Okanagan Basin Under Current and Future Climates.", 92nd Annual General Meeting of the Association of Professional Engineers and Geoscientists of BC, Kelowna, BC, Canada, October 15, 2011.
  • Neilsen, D. and Van der Gulik, T.W. (2011). "Improving irrigation management.", Water Supply Association of BC and the Canadian Water Network, November 10 and 22, 2011. (Presentation)
  • Neilsen, D., Cannon, A.J., Taylor, B., Losso, I., Frank, I., and Fretwell, R. (2011). "Climate studies in the Okanagan Basin.", Osoyoos Lake Water Science Forum 2011, Osoyoos, BC, Canada, September 18-20, 2011. (Abstract)
  • Neilsen, D., Cannon, A.J., Taylor, B., and Van der Gulik, T.W. (2011). "High resolution data requirements for agriculture.", 19th Annual Conference of The International Environmetrics Society, Kelowna, BC, Canada, June 8-13, 2008. (Abstract)
  • Neilsen, D., Losso, I., Guak, S., and Neilsen, G.H. (2011). "Development of chilling and forcing relationships for modeling spring phenology of apple and sweet cherry cultivars.", IX International Symposium on Modelling in Fruit Research and Orchard Management, Saint-Jean-sur-Richelieu, QC, Canada, June 19-23, 2011, pp. 40. (Abstract)
  • Neilsen, D., Neilsen, G.H., Forge, T.A., Guak, S., and Herbert, L.C. (2011). "Effects of irrigation stress and crop load on yield and quality of Ambrosia/M.9 apple trees.", HortScience, 46(9), pp. S115. (Abstract)
  • Neilsen, D., Van der Gulik, T.W., Cannon, A.J., Taylor, B., and Smith, S. (2011). "Modeling regional water demand for the Okanagan basin under current and future climates.", Waterlutions Conference, Silver Lake, BC, Canada, June 11, 2011.
  • Neilsen, D., Van der Gulik, T.W., Cannon, A.J., Taylor, W.G., and Fretwell, R. (2011). "Modeling future water demand for current and future climate in the Okanagan basin, British Columbia, Canada.", IX International Symposium on Modelling in Fruit Research and Orchard Management, Saint-Jean-sur-Richelieu, QC, Canada, June 19-23, 2011, pp. 48. (Abstract)
  • Neilsen, G.H., Neilsen, D., Forge, T.A., Guak, S., and Herbert, L.C. (2011). "Irrigation strategy and crop load affect nutrition management of drip-fertigated Ambrosia/M.9 apple trees 359-2 S04 Soil fertility and plant nutrition.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011, Session: Management strategies to improve nutrient use efficiency I.
  • Neilsen, G.H., Neilsen, D., Forge, T.A., and Hannam, K. (2011). "Urea sprays to improve yeast assimiliable N concentration in grape at harvest.", 12th Annual Enology & Viticulture Conference and Trade Show, Penticton, BC, Canada, July 18-19, 2011.
  • Neilsen, G.H., Neilsen, D., and Toivonen, P.M.A. (2011). "NC-140-Sweet cherry training system /rootstock trial.", Cherry Notes: Newsletter of the Okanagan Kootenay Cherry Growers Association, 2011(June), pp. 10.
  • Van der Gulik, T.W. and Neilsen, D. (2011). "Agriculture water demand model.", Seminars for the regional planners, Mission, Cranbrook, Clearwater, Duncan, Courtenay, Nanaimo, and Salmon Arm, BC, January - November 2011. (Presentation)
  • Van der Gulik, T.W. and Neilsen, D. (2011). "Reserving water for future agricultural needs.", NRCAN Webinar and the Fraser Basin Council on the Creation of an Agricultural Water Reserve, March 25 and October 20, 2011. (Presentation)

2010

  • Van der Gulik, T.W., Neilsen, D., and Fretwell, R. (2010). Agricultural Water Demand Model: Report for the Kettle Valley., British Columbia Ministry of Agriculture. (Report)

2009

  • Bissonnette, N., Angers, D.A., Neilsen, G.H., Neilsen, D., Hogue, E.J., and Forge, T.A. (2009). "Utilisation de residus de paillis organiques en production biologique de pommiers: effect sur la matiere organique du soil.", 23e Congrès annuel de l’Association Québécoise des Spécialistes en Science du Sol (AQSSS): La rivière, reflet de la gestion des terres, l'auberge le Baluchon, St-Paulin, QC, Canada, May 19-22, 2009, pp. 72.
  • Duke, G., Neilsen, D., Taylor, B., Cannon, A.J., Van der Gulik, T.W., Newlands, N.K., Frank, G., and Smith, C.A.S. (2009). "Climate Surfaces for the Okanagan Basin Water Supply Demand Project.", One Watershed - One Water Conference, Kelowna, BC, Canada, October 21-23, 2008, pp. 73.
  • Neilsen, D. and Neilsen, G.H. (2009). "Cherry nutrition: an overview of recent developments in response to changing cultivation practices.", 6th International Cherry Symposium, Renaca, Chile, November 15-19, 2009, pp. 15. (Abstract)
  • Neilsen, D. and Neilsen, G.H. (2009). "Nutritional effects on fruit quality for apple trees.", New York Fruit Quarterly, 17, pp. 21-24.
  • Neilsen, D. and Neilsen, G.H. (2009). "Nutritional effects on fruit quality for apple trees.", In-Depth Fruit School on Apple Mineral Nutrition, Cornell University Cooperative Extensions, Ballston Spa and Newark, NY, USA, March 24-25, 2009, pp. 1-9.
  • Neilsen, G.H., Neilsen, D., Bowen, P.A., Bogdanoff, C.P., Usher, K.B., Rabie, B., Herbert, L.C., and Losso, I. (2009). "Crop load and irrigation management. First year effects on nutrition, vigour, yield and quality of Merlot grapes.", 10th Annual Enology & Viticulture Conference and Trade Show, Penticton, BC, Canada, July 20-21, 2009.
  • Neilsen, G.H., Neilsen, D., Bowen, P.A., Herbert, L.C., Losso, I., and Rabie, B. (2009). "Nitrogen fertilizer for optimizing wine grape performance.", 7th Ontario Fruit and Vegetable Convention (OFVC 2009), Brock University, St. Catharines, ON, Canada, February 18-19, 2009, [CD ROM].
  • Neilsen, G.H., Neilsen, D., Herbert, L.C., Kuchta, S.L., and Rabie, B. (2009). "Fertigation and bitter pit management in apples.", 7th Ontario Fruit and Vegetable Convention (OFVC 2009), Brock University, St. Catharines, ON, Canada, February 18-19, 2009, [CD ROM].
  • Neilsen, G.H., Neilsen, D., Herbert, L.C., Losso, I., and Rabie, B. (2009). "Factors affecting within orchard variability of sweet cherry (Prunus avium L.).", 16th Annual International Plant Nutrition Colloquium (IPNC): Plant Nutrition for Sustainable Development and Global Health, Sacramento Convention Center, Sacramento, CA, USA, August 26-30, 2009.
  • Neilsen, G.H., Neilsen, D., Hogue, E.J., Herbert, L.C., Kuchta, S.L., Losso, I., and Rabie, B. (2009). "Nutrient and soil management. Tender soft fruits.", 7th Ontario Fruit and Vegetable Convention (OFVC 2009), Brock University, St. Catharines, ON, Canada, February 18-19, 2009, [CD ROM].
  • Neilsen, G.H., Neilsen, D., Hogue, E.J., Rabie, B., Herbert, L.C., Forge, T.A., Angers, D.A., and Bissonnette, N. (2009). "Use of composts in organic apple production.", 19th Annual National Compost Conference, Vancouver, BC, Canada, September 30-October 2, 2009.
  • Neilsen, G.H., Neilsen, D., Rabie, B., Herbert, L.C., and Losso, I. (2009). "Factors affecting within orchard variability of nutrition, yield and quality of sweet cherry (Prunus avium L.).", 40th Annual Horticultural Forum and Trade Show, Penticton, BC, Canada, November 12-13, 2009.
  • Neilsen, G.H., Neilsen, D., Toivonen, P.M.A., Herbert, L.C., Lannard, B.L., and Chung, L. (2009). Effect of Avail liquid fertilizer on apple tree P uptake and fruit quality., J.R. Simplot Company and Murphy Agro. (Report)