Tackling agricultural phosphorus load by soil amendments
GYPREG

Field Visits to GYPREG Demonstration Sites in Poland

29 June 2026
On 15 June 2026, students, researchers and project partners gathered in southern Poland for a field visit to two GYPREG demonstration sites: the ITP-PIB lysimeter station in Jaworki and the research station in Tylicz.
Technical details

The visit brought together students and representatives of AGH University of Science and Technology, together with experts from the Tylicz Research Station.

Demonstrating the Benefits of Gypsum

Participants learned about the objectives of the GYPREG project and its work to reduce phosphorus losses from agricultural soils through gypsum treatment. The visit included demonstrations of experimental plots with different gypsum application rates, illustrating how gypsum can improve soil management while helping to protect rivers, lakes and the Baltic Sea from nutrient pollution.

New Opportunities for Wastewater Treatment

Tylicz cascade wastewater treatment system. © ITP PIB

The visit also explored new potential applications of gypsum in Poland. Representatives of the Tylicz Research Station expressed interest in using gypsum for domestic wastewater treatment. Participants discussed possible treatment mechanisms, expected environmental benefits and practical considerations for future testing.

Sharing Knowledge

Project information materials were distributed during the event, providing participants with practical information on gypsum amendments and their positive effects on soil health, water quality and phosphorus reduction. The visit strengthened cooperation between researchers and students while promoting innovative solutions for sustainable water management in Poland.

What are Lysimetric Measurements?

Lysimetric measurements involve monitoring water movement and nutrient leaching through soil. Lysimeters—specialized soil columns—allow researchers to track for example how soil amendments affect water flow and nutrient loss beneath the surface. These insights are essential for designing environmentally sound farming practices.

Read more about Lysimeter (wikipedia)

Jaworki lysimeter station. © ITP PIB

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