| Number | Place | Chair | Date | Proceedings, Special issue | ||
|---|---|---|---|---|---|---|
| 22nd |  | Kanazawa Japan | Takanori Kobayashi, Hiromi Nakanishi | June 22-26 2026 | ||
| 21st |  | Düsseldorf Germany | Petra Bauer | July 8-12 2024 | Conference HP Conference Review |
|
| 20th |  | Reims France | Sébastien Thomine | July 4-8 2022 | ||
| 19th |  | Taipei Taiwan | Wolfgang Shmidt | July 9-13 2018 |  | Plant & Cell Physiology 60(7) (2019) |
| 18th |  | Madrid Spain | Juan J. Lucena | May 30-June 3 2016 | ||
| 17th |  | Gatersleben Germany | Nicolaus von Wirén | July 6-10 2014 | ||
| 16th |  | Amherst USA | Elsbeth Walker, Erin Connolly | June 17-21 2012 | ||
| 15th |  | Budapest Hungary | Ferenc Fodor | June 26-30 2010 |  | Plant Physiology and Biochemistry 49(5) (2011) |
| 14th |  | Beijing China | Hong-Qing Ling | October 11-16 2008 |  | Plant and Soil 325(1-2) (2009) |
| 13th |  | Montpellier France | Jean François Briat | June 12-14 2006 |  | Plant Physiology and Biochemistry 45(5) (2007) |
| 12th | | Tokyo Japan | Naoko K. Nishiszawa Satoshi Mori | April 11-15 2004 |  | Soil Science and Plant Nutrition 50(7) (2004) |
| 11th |  | Udine Italy | Roberto Pinton | June 23-28 2002 |  | Journal of Plant Nutrition 26(10-11) (2003) |
| 10th |  | Houston USA | Michael Grusak | May 14-19 2000 |  | Plant and Soil 241(1) (2002) |
| 9th |  | Hohenheim Germany | Volker Römheld | July 20-25 1997 |  | Journal of Plant Nutrition 23(11-12) (2000) |
| 8th |  | Charlotteville USA | Elizabeth Thiele | April 16-21 1995 |  | Journal of Plant Nutrition 19(8-9) (1996) |
| 7th |  | Zaragoza Spain | Javier Abadía | June 27-July 2 1993 |   | Abadía J, ed (1995) ISBN 0-7923-2900-7. Plant and Soil 165(2) (1994) |
| 6th |  | Logan USA | Gene W. Miller | July 14-19 1991 |  | Journal of Plant Nutrition 15(10) (1992) |
| 5th |  | Jerusalem Israel | Yona Chen | June 11-17 1989 |   | Chen Y and Hadar Y, eds (1991) ISBN 0-7923-1095-0. Plant and Soil 130(1-2) (1991) |
| 4th | Albuquerque USA | Larry Barton | July 7-10 1987 |  | Journal of Plant Nutrition 10(9-16) 1987 | |
| 3rd | Lincoln USA | Ralph Clark | June 25-28 1985 |  | Journal of Plant Nutrition 9(3-7) (1986) | |
| 2nd | | Logan USA | David W. James | August 2-5 1983 |  | Journal of Plant Nutrition 7(1-5) (1984) |
| 1st |  | Provo USA | Sheldon D. Nelson | August 12-14 1981 | Journal of Plant Nutrition 5(4-7) (1982) Journal of Plant Nutrition 5(11) (1982) |
22-26 June, Kanazawa