 | Consequences of Cutting Back on Fertilizer Presented at the Agrico Crop Care Meeting, Brampton, Ontario, 26 January 2010.
Bruulsema K Agrico handout.pdf |
 | Managing Your Nutrient Dollars Presented at the Ontario Soil and Crop Improvement Association's 2010 Annual Meeting, 2 February 2010, in Niagara Falls, Ontario, Canada. ***Note: Data for non-recoverable manure potassium were incorrect in the original presentation; a revised correction (slide 11) is posted here.
Bruulsema OSCIA 2010 revised.pdf |
 | Phosphate Fertilizer Needs in Quebec Presented at Les Journées Vertes – Annual Meeting, La Coop fédérée, Quebec City, QC, 27 January 2010.
Bruulsema Phosphorus Fertilizer LCF handout.pdf |
 | What are the Consequences of Not Maintaining Soil Potassium? Presented at the Ontario Agri Business Association Crops Update, 4 February 2010, London, Ontario. ***Note: Data for non-recoverable manure potassium were incorrect in the original presentation; a revised correction (slide 8) is posted here.
Bruulsema OABA Crops Update 2010 revised.pdf |
 | Adapting Corn Nitrogen Management to Weather Presented at Sciences for Sustainability: Soil, Agronomy and Atmosphere in Guelph, Ontario, Canada on 5 August 2009. This was the annual conference of the Canadian Societies of Soil Science, Agronomy, and Agricultural and Forest Meteorology.
Bruulsema Weather.pdf |
 | Agricultural Phosphorus Balance Trends in Ontario, Michigan and Ohio Poster presented at the Great Lakes Phosphorus Forum, 28-30 July 2009, Windsor, Ontario, Canada. Authors: Tom Bruulsema, Robert Mullen, Ivan O’Halloran, and Darryl Warncke; International Plant Nutrition Institute, Ohio State University, University of Guelph, and Michigan State University
. For more information, see http://www.greatlakespforum.com/
Bruulsema Sera-17 nutrient balance poster.pdf |
 | Enhanced-efficiency Fertilizers and 4R Nutrient Stewardship Presented at the 2009 Northeast Region Certified Crop Adviser Conference, Waterloo NY, December 8-10, 2009
Bruulsema EEF and 4R NY.pdf |
 | Fertilizer Biogeochemistry Presented at the 17th Penn State Plant Biology Symposium, May 19-21, 2009 at University Park, PA, USA.
Fertilizer BioGeoChemistry.pdf |
 | Nutrients for Plants: Cosmetic or Aesthetic? Presented at the Communities in Bloom National Symposium on Parks and Grounds, held in Vaughn, Ontario on 30 September 2009
.
Communties in Bloom 4R twb.pdf |
 | Plant Nutrition Stewardship and Sustainability Presented at the Bouyoucos Conference on Soil Stewardship in an Era of Global Climate Change, Lied Lodge, Nebraska City, NE. 1-3 June 2009
.
Plant Nutrition Stewardship and Sustainability.pdf Plant Nutrition Stewardship Sustainability.pdf |
 | Recommendation Development under 4R Nutrient Stewardship Presented at the North Central Extension-Industry Soil Fertility Conference, Des Moines, Iowa, 18 November 2009.
Bruulsema 4R Nutrient Stewardship NCSFC.pdf |
 | Stewardship of Plant Nutrition Presented at the 57th Annual International Consultants Conference of Brookside Laboratories, Inc.
Brookside 4R Stewardship handout.pdf |
 | The 4R Nutrient Stewardship Concept Presented at the Canadian Association of Agri-Retailers Crop Management Forum in Guelph, Ontario, 27 October 2009.
Bruulsema 4R Nutrient Stewardship4.pdf |
 | The Four Rights of Managing Crop Nutrients for Sustainability Presented at the Sylvite Agronomy Meeting in London, Ontario.
50710052.pdf 52638511.pdf |
 | The Future of Fertilizer Stewardship Presented at the Northeastern Branch Crops, Soils, and Agronomy Conference, Portland, Maine on 14 July 2009.
The Future of Fertilizer.pdf |
 | A Global Framework Connects Fertilizer Management, Science, and Crop Advisers Presented at the annual scientific meetings of the American Society of Agronomy in Houston, TX. 6 October 2008.
Bruulsema Global BMP Framework ASA Houston notes.pdf Bruulsema Global BMP Framework ASA Houston handouts.pdf |
 | Assessing Nitrogen Use Efficiency On-Farm Presented at the Sylvite Agronomy Meeting in London, Ontario, Canada
96987659.pdf |
 | How to Improve Nitrogen Use Efficiency Presented at the Pennsylvania Agronomic Education Conference, in University Park, PA.
48916782.pdf |
 | Strategies for Managing Fertilizer in Support of Greenhouse Gas Mitigation Presented as part of a panel on Greenhouse Gases at the 63rd Annual Conference of the Canadian Fertilizer Institute, St. John's, Newfoundland.
23990760.pdf |
 | Integrated Plant Nutrition for Better Soybean Quality Presented at INFORMAÇÕES RECENTES PARA OTIMIZAÇÃO DA PRODUÇÃO AGRÍCOLA, Piracicaba-SP, Brazil 15-16 March 2007.
22815368.pdf 05334949.pdf |
 | Integrating Weather Variability into Nitrogen Recommendations Presented at the annual meeting of the New York State Agri Business Association, 10 January 2007, Auburn, NY.
08925260.pdf |