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4R Nutrient Stewardship

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08 May 2017Industry initiatives enhancing phosphorus sustainability

Presented at SYMPHOS 2017 in Marrakech, Morocco on 8 May 2017.

11 Mar 2017Phosphorus Product Properties for 4R Nutrient Stewardship

Presented at CRU Phosphates 2017 on 14 March 2017 in Tampa, Florida, USA.

23 Feb 2017Top Tips to Manage Phosphorus in 2017

AgPro Webinar 23 February 2017

31 Jan 2017Soil Test Levels in North America in relation to phosphorus sustainability

Presented at FarmTech 2017 in Edmonton, Alberta, Canada on 31 January and 1 February 2017.

24 Jan 2017Managing Phosphorus 4R Crops and Environment - Ontario

Presented at the Sylvite Agronomy Meeting 24 January 2017 in London, Ontario, Canada.

20 Jan 2017Managing Phosphorus 4R Crops and Water - Pennsylvania

Presented at the Pennsylvania Agronomic Education Conference in State College, Pennsylvania on 20 January 2017.

18 Jan 2017Phosphorus! - For the Ontario CCA 4R Specialty

Presented in Woodstock, Ontario, Canada on 18 January

17 Jan 2017Managing Phosphorus 4R Crops and Environment - Illinois

Presented at the Illinois Fertilizer and Chemical Association annual convention and trade show, 17 January 2017, in Peoria, IL.

04 Jan 2017Sustainable Phosphorus

Presented at the Southwest Agricultural Conference, Ridgetown, Ontario, Canada on the 4th and 5th of January 2017.

14 Dec 2016Managing Phosphorus 4R Crops and Environment - Indiana

Presented at the Indiana Certified Crop Adviser Conference on 14 December 2016 in Indianapolis, Indiana, USA.

21 Nov 20164R Implementation in Ontario: Phosphorus & Sustainability

Ontario Federation of Agriculture 2016 Annual General Meeting “Precision Matters” in Toronto, Ontario, Canada on 21 November 2016

15 Nov 20164R Implementation in Ontario - Phosphorus & Sustainability

Presented at AgroMart Annual Training Meeting – “Precision Counts”- 15 November 2016 in Guelph, Ontario, Canada.

08 Nov 2016Defining 4R Phosphorus Practices to Contribute to Continental Improvement of Water Quality

Presented at "Resilience Emerging from Scarcity and Abundance" - the annual meetings of the American Society of Agronomy.

12 Sep 2016Stewardship of Legacy Phosphorus in Agricultural Cropland

Poster presented at IPW8 – International Phosphorus Workshop, Rostock, Germany. September 2016.

17 Aug 2016Performance metrics for the role of phosphorus in sustainable intensification of agriculture

Presented at the 5th Sustainable Phosphorus Summit in Kunming, China on 18 August 2016

02 Aug 2016Phosphorus Fertilizer Decisions

Presented at the Information Agriculture Conference, InfoAg 2016, on 3 August 2016 in St. Louis, Missouri.

21 Jul 2016Phosphorus (for the Ontario CCA 4R Nutrient Management Specialty)

Presented at the Ontario CCA 4R Nutrient Management Workshop, Thursday, July 21, 2016, Holiday Inn, Guelph, Ontario, Canada

20 Jul 2016Better Fertilizer Decisions for Cropping Systems in North America

Presented at the Joint Regional Soil Testing Work Group Meeting (NECC-1312, NCERA-13, and SERA-6) held in State College, Pennsylvania, USA on 20 July 2016.

08 Jun 2016Crop Nutrition Industry Action Opportunities for Sustainable Phosphorus Management

Presented at the 59th annual meeting of the International Association for Great Lakes Research in Guelph, Ontario, Canada.

11 May 2016Managing Phosphorus Sustainability

IPNI Webinar presented on 11 May 2016

26 Jan 20164R: Better Than You Think

Presented at Sunrise Co-op Winter Growers Meeting in Sandusky, Ohio on 26 January 2016.

11 Dec 20154R Nutrient Stewardship for Ontario

Presented in the 2015 Ontario Agri Business Association Dealer Education Course on Soil Fertility in Guelph, Ontario.

25 Nov 20154R Nutrient Stewardship: Addressing Lake Erie Phosphorus targets

Presented at the OMAFRA Environmental Management Branch Conference held in London, Ontario on 26 November 2015.

24 Nov 2015Implementing Nutrient Stewardship 4R Future in Ontario

Presented at the 2016 Corn and Soybean Meeting, Hoegy’s Farm Supply Ltd., Brodhagen, Ontario on 25 November 2015.

17 Nov 2015Impact Metrics for Crop Nutrition Sustainability in North America

Presented at 'Synergy in Science: Partnering for Solutions' - the annual meeting of the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America in Minneapoli ...

11 Nov 2015Forecasting the Future of the NUE Trend

Presented in the panel discussion on U.S. Fertilizer Demand and Nutrient Use Issues at the Fertilizer Outlook and Technology Conference held in Jacksonville, Florida on 10 November 2015.

30 Sep 20154R Nutrient Stewardship: Opportunities for meeting Lake Erie targets

Presented at the Field Crops Team meeting, Agriculture Development Branch, Ontario Ministry of Agriculture, Food and Rural Affairs, held in St. Jacobs, Ontario, Canada.

27 Aug 2015Principles for Implementing 4R Nutrient Stewardship in the Ontario Context

Presented at the 2015 4R Nutrient Workshop in Essex, Ontario on 27 August 2015.

16 Jul 2015Environmental Risk Management in 4R Nutrient Stewardship

...with a focus on phosphorus for Michigan, Indiana, and Illinois. Webinar presentation in the "4Rs Nutrient Management In and Out of Season" webinar series. Part of the training provided for the 4R N ...

14 Jul 20154R Nutrient Stewardship: Opportunities for meeting Lake Erie targets

Presented at Farm & Food Care Ontario Great Lakes Agricultural Strategy Session, Guelph, Ontario, Canada.

07 May 2015Does Meta-Analysis Adequately Assess the Interaction of the 4Rs of Crop Nutrition with Climate and Other Factors Impacting Nitrous Oxide Emissions?

Presented at the Joint Assembly of AGU-GAC-MAC-CGU in Montreal, Quebec, Canada on 6 May 2015.

18 Mar 2015Soil pH, Phosphorus and 4R

Presentation for Michigan Agri Business Association Soil Fertility Workshop held in St. Johns, Michigan on 19 March 2015.

16 Mar 2015Nutrient Stewardship 4R Future

Presented at TCO Agromart Ltd. Spring Meeting, Napanee, Ontario on 17 March 2015

25 Feb 2015Sustainable Crop Nutrition: Improving Global & Local Performance

Presented at the Agronomy Workshop & Expo, Waldo, Ohio, 26 February 2015 .

04 Feb 20154R Nutrient Stewardship Opportunities for Ontario

Presentation at the Ontario Soil & Crop Improvement Association, held in London, Ontario on 4 February 2015.

08 Dec 20144R Nutrient Stewardship Opportunities for Ontario

Presented at Ontario Agri Business Association's Crops Update in London, Ontario. 9 December 2014.

19 Nov 20144R Nutrient Stewardship and Best Management Practices to Improve Water Quality

Presented at 21st Annual Latornell Conservation Symposium “Growth & Transformation” in Alliston, Ontario. 19 November 2014.

08 Oct 2014Efficiency in Nutrient Stewardship

Presented to the Chinese Academy of Agricultural Science, Beijing, China on 8 October 2014.

18 Jun 20144R Nutrient Stewardship and Agricultural Sustainability

Presentation to Farm & Food Care Ontario, Guelph, Ontario, Canada

26 May 2014Nutrient Stewardship for Nutrition Security

Presented at the Canadian Association for Food Studies Ninth Annual General Meeting - Borders without Boundaries: Exploring Collaboration in Food Studies. Brock University, St. Catharines, Ontario, Ca ...

09 Apr 2014Bringing Better Practices to the Farm

Presented at the Scientific Workshop « Management of Variability for the Optimization of Fertilization Practices » Institut nationale de la recherche scientifique (INRS) Siège social, Quebec, QC, Cana ...

13 Jan 2014Nutrient Stewardship for Nutrition Security

Presented in the Joint Department Seminar Series on “Soil, Plant, Animal, and Human Nutrition: the Integrated Nature of Sustainability” in the College of Agricultural Sciences, Oregon State University ...

12 Dec 2013The 4Rs for the Lake Erie Watershed

Presented at the conference 'Ag Retailers Leading Improvements in Resource Management for Water Quality' in Toledo, OH on 12 December 2013.

28 Nov 2013Reducing Loss of Fertilizer Phosphorus to Lake Erie with the 4Rs

by Tom Bruulsema, Robert Mullen, Ivan O'Halloran, and Harold Watters.

25 Nov 2013Why the fertilizer industry promotes 4R Nutrient Stewardship

Lecture presented for Professor Ross McKitrick's course in Economic Growth and Environmental Quality, Department of Economics, University of Guelph on 25 November 2013.

20 Nov 2013Stewarding world reserves of fertilizer

Presented at the Mid-Atlantic Crop Management School, 20 November 2013, in Ocean City, MD.

07 Nov 2013An Industry Perspective on Phosphorus Stewardship Challenges

Presentation for SERA-17 Organization to Minimize Phosphorus Losses from Agriculture, Meeting Session 2 – Phosphorus Drawdown Strategies, held in Tampa, Forida, USA.

04 Oct 2013Fertilizing for Food that Improves Human Health

Presentation at the Committee on World Food Security, Food and Agriculture Organization, Rome, Italy, 8 October 2013

10 Sep 20134R Nutrient Stewardship: Local and Global

Presented at the Michigan State University Extension Soil Academy II in Mason, Michigan on 11 September 2013.

26 Jun 2013Decision support for phosphorus application timing

Presented at the Northeastern Branch Crops, Soils and Agronomy Conference in Newark, DE on 26 June 2013.

03 Jun 2013Place phosphorus in the soil to protect water quality in Lake Erie.

The link on the left leads to module 6.3-2 of the 4R Plant Nutrition Manual, and explains why "right place" is important for nourishing crops while protecting Lake Erie's water quality.

03 Jun 2013Timing broadcast phosphorus fertilizer applications can help protect Lake Erie

The link on the left leads to module 5.3-2 of the 4R Plant Nutrition Manual, and explains why "right time" is important for broadcast applications of P.

21 Mar 20134R Plant Nutrition: linking science to practice (AAFC)

Séminaires au Centre de recherche et de développement sur les sols et les grandes cultures, Ste-Foy, QC

18 Mar 2013Supply and Demand of Phosphorus

Presented in the Canadian Council of Ministers of the Environment Nutrients as a Resource Webinar on 18 March 2013.

07 Mar 2013What belongs in a 4R Nutrient Stewardship Plan?

Presented at the Farming 4R Watershed Workshop in Kitchener, Ontario on 7 March 2012.

13 Feb 20134R Plant Nutrition: linking science to practice

Presented at the Seminar in Plant Agriculture, University of Guelph, 13 February 2013.

22 Jan 2013The 4Rs and Great Lakes Water Quality

Presented at the Sylvite Agronomy Meeting 2013 in London, Ontario. 22 January 2013.

15 Jan 2013Water Quality, the 4-R Program, and Why You Need to Embrace These Principles

Presented at the Michigan Agri Business Association Winter Conference, Lansing, MI on 15 January 2013.

07 Jan 20134R Nutrient Stewardship Portal

Materials developed by IPNI and other cooperators on 4Rs

13 Dec 20124R Plant Nutrition

Presented at the New York State Agri Business Association Annual Meeting in Syracuse, NY on 13 December 2012.

4R Nutrient Stewardship Topic

Right Source, Right Rate, Right Time, Right Place

15 Nov 2012Phosphorus Placement for Corn, Soybeans, and Wheat

Presented at the 42nd Annual North Central Extension-Industry Soil Fertility Conference. 14-15 November 2012. Des Moines, IA

25 Sep 2012Technologies and Approaches for Managing Crop Nitrogen–The Industry Perspective

Presented at the USDA Partnership Management Team Nitrogen Management Technology Symposium, held in Washington, DC 25 September 2012

30 Sep 2009Nutrients 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 .

01 Jan 2008Best Management for Fertilizers on Northeastern Dairy Farms

By Tom W. Bruulsema and Quirine Ketterings