Welcome to the Institute of Applied Plant Nutrition (IAPN). An increasing world population, changing dietary habits and climate change place great demands on agricultural research. Increasingly, the focus in agriculture is on questions pertaining to the efficient use of arable and pasture land, of water and of plant nutrients.
The IAPN addresses these issues. We are committed to researching the role of intelligent fertilization management in handling these global challenges, and to provide solutions.
We see ourselves as an interface between science and agricultural practice. The development of approaches to an efficient transfer of knowledge is therefore another important concern. We aim to pool knowledge in a global network, creating synergies for successful research and practical implementation of these research results.

- Lílian Angélica Moreira from Brazil conducts research at IAPN

From March to October 2020, Brazilian PhD student Lílian Angélica Moreira of São Paulo University (USP) is a guest scientist at IAPN. During this period, she will be working on the project entitled “Physiological changes in nitrogen metabolism as a result of Mo resupply”. more

- IAPN publication recognized as “Top Downloaded Paper”

Publisher Wiley congratulates Jun. Prof. Dr. Merle Tränkner on the success of her article on potassium and magnesium in photosynthesis and photoprotection. It was recognized as one of the most read papers in "Physiologia Plantarum" among works published between January 2018 and December 2019. Co-authors are Dr. Ershad Tavakol and Dr. Bálint Jákli. more

- Dr. Rolf Härdter Appointed as New Managing Director of IAPN

As of April 22nd 2020, Dr. Rolf Härdter is the new managing director of IAPN. The head of Agronomy & Advisory at K+S Minerals and Agriculture GmbH will be responsible for the institute together with Professor Dr. Klaus Dittert, the scientific director of IAPN. more

- 10 Years “Sustainable International Agriculture – SIA”

In a special edition on the occasion of the 10th anniversary of the Master program SIA, Göttingen University’s faculty magazine "agrar aktuell" published an article by Jun. Prof. Dr. Merle Tränkner about her research work. As a SIA alumnus, Merle Tränkner gives an example for a PhD as a next step after the Master degree. more

- Potassium Management in Uruguay

Recently in numerous crops in Uruguay, symptoms of potassium deficiency are observed more frequently. Prof. Dr. Mónica Barbazán from the Universidad de la República in Uruguay is one of the leading researchers on K in the South American country. She presented current studies at “IAPN in Dialogue”. more

- Announcement: webinar on drought stress

In a K+S online seminar, Prof. Dr. Klaus Dittert will provide insight into IAPN’s research on how a balanced plant nutrition can ensure satisfactory yields when water is scarce. The webinar will be held on January 21st 2020, 2:00 p.m. in German language. Participation is free of charge. more

- IAPN in Dialogue - Event Announcement

On December 44 2019 the IAPN invites you to a day of discussion on “Potassium Management in Uruguay: Evolution and Current State of Knowledge”. There will be a presentation and a panel discussion. more

- IAPN at the Annual Meeting of the German Society of Plant Nutrition

The Annual Meeting of the German Society of Plant Nutrition was held in September 2019 in Berlin. All scientists of the IAPN team participated. Jun. Prof. Dr. Merle Tränkner presented results of a meta-analysis on magnesium studies from the last 70 years. A poster prize was awarded to PhD student Setareh Jamali Jaghdani. more

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