• Home
  • /
  • About


In ‘TheYear of the Soils 2015’, a congres took place on 27th June 2015 in the Tropenmuseum Amsterdam, tilted ‘Save Our Soils’. It was during this conference that the Amsterdam Declaration  was signed. This created the initial inspiration for ‘Symphony of Soils’

Foundation Symphony of Soils

Symphony of Soils is an initiative from Theo Mulder (Mulder Agro), Ria Commandeur (Commander R. Opinion) and Marlise Vroom (Vroom Communication).
The foundation; Symphony of Soils was founded in the summer of 2016.

Board members


Theo Mulder

“Two handfuls of rich soil contain more life than there are people on the planet earth. If we take care of this life, it will take good care of the people.”

Jappie Rijpma

Marlise Vroom
Vice President

“Healthy soil, healthy food, healthy people.”

Sytze Keuning

Committee of Recommendation

  • Cees Buisman, scientific director Wetsus, European Centre of Excellence for sustainable Water Technology
  • Jan Willem Erisman, professor Integrated Nitrogen Studies at VU Amsterdam
  • Pier Vellinga, Director Water and Climate Wadden Academy, prof. em. Wageningen University and Vrije Universiteit Amsterdam
  • Gerjan Navis, Internist-Nephrologist, Chair of Nutrition in Medicine,
  • UMCG Groningen, The Netherlands
  • Volkert Engelsman, managing director EOSTA
  • Wiepk Voskamp, lecturer Sustainable Dairy VHL
  • Emiel Elferink, Applied Research Professor Healthy Soil, Van Hall Larenstein
  • Adorned Deinum, dairy farmer
  • Jan Willem Bakker, cropper
  • Micah Lubbers, president Youth Food Movement
  • Bertus Buizer, director Buizer Advies, chairperson Sustainable Food Supply Foundation
  • Wim van der Putten, Head of Terrestrial Ecology NIOO