Junior research group on water-saving vegetable production along the value chain in North Hesse (Bio-Klima-Gemüse) 2024-2026

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Junior research group on water-saving organic vegetable production along the value chain in northern Hesse (2024-2026)

Project objective:

Compared to many arable crops, vegetables have a high water requirement. Limited water availability can result in serious yield losses during periods of drought. For this reason, water-saving cultivation methods are being researched in this project in order to make vegetable cultivation sustainable. In cooperation with the Hessian State Domain Frankenhausen, flatter and wider carrot ridges instead of single ridges and the mulching of vegetable growing areas with organic material (cereal-legume cuttings) for the carrot and leek crops are being investigated. The leek mulching trials are also being carried out on two Paxis farms. In order to introduce these cultivation methods into practice, both individual farm profitability and climate-adapted sales channels for fresh vegetables, including further processing (washing, peeling, cutting, preserving), are important. New processing options offer opportunities to strengthen the regional sales market and thus the cultivation methods. The challenges and opportunities of marketing structures for regional vegetables from climate-adapted production methods (organic climate vegetables) are to be uncovered with the help of network analyses, consumer surveys and workshops. The project will thus work along the entire value chain for organic climate vegetables in North Hesse.

Media reports / public relations

Practice partner meeting organic climate vegetables

Project team and practice partners at the meeting at the Frankenhausen domain

Cooperation with practical farms is a central component of the organic climate vegetables project. Regular practice partner meetings serve to reflect back results from the research, record practical experiences and assessments, jointly classify results and discuss further practical transfer and enable mutual exchange. At the project's practice partner meeting on 22.04.2026 at the Hessian State Domain in Frankenhausen with representatives from the farms Rote Rübe - Schwarzer Rettich, Falkenhof Strothe and the farm of the Frankenhausen domain, everyone agreed that even if practical research is a lot of work, the effort is worth it and the new insights and experiences as well as the joint exchange through the project are "super exciting and enriching".


Article: Vegetable growing manages climate change

The article from the project in the Bioland trade magazine shows: In order for vegetable growing to cope with climate change, not only the farms but the entire supply chain - from processing and trade to authorities - must adapt and deal more flexibly with fluctuating quantities and qualities. Specific cultivation methods are also presented that can help to save water and make farms more resilient.

Article from the Bio-Klima-Gemüse project in the Bioland trade magazine 04/2026


Organic climate vegetables project at WITA 2026: Mulch, irrigation and strategic management approaches in climate-resilient vegetable production

The Organic Climate Vegetable Project presented current results for climate-resilient vegetable production at the 18th Organic Agriculture Science Conference (WITA 2026). In presentations, young scientists Hanna Pohlmann and Benjamin Ruch from the project reported on the effects of Wick triticale mulch and drip irrigation in leeks as well as the role of strategic management in climate strategies for vegetable production. In addition, a workshop contribution on compost, transfer mulch and catch crops discussed approaches, conflicting goals and strategies for adaptation measures to dry periods.

The contributions to the presentations can also be found in the WITA conference proceedings, edited by Kemper, R., M. Athmann, A. Häring, D. Neuhoff, M. Müller-Lindenlauf, L. Schmitz, C. Stumm, I. Tiemann & T.F. Döring [eds.], (2026) Tagungsband zur 18. Wissenschaftstagung Ökologischer Landbau, Widerspruch begegnen - viele Antworten, ein Ökolandbau. March 3-6, 2026 at the Rheinische Friedrich-Wilhelms-Universität in Bonn. https://doi.org/10.48565/qysm-nt77.

In it:

  • Pohlmann, H., Schmidt, T. & König, B. (2026): Climate-resilient vegetable production and the role of strategic management - a systematic literature review. S. 318-321.
  • Ruch, B., Athmann, M. & Hefner, M. (2026): Increasing yield, water productivity, N dynamics and microbial activity in leeks by Wick-Triticale mulch and drip irrigation. S- 42-43.

Further information on the Scientific Conference on Organic Agriculture (WITA 2026) at: https: //wissenschaftstagung.de/

 

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Field day at our demo farm - red beet-black radish on 11.09.2025

Field day at our demo farm - red beet-black radish on 11.09.2025

26 participants from four federal states met for an exchange of experiences, a tour and exciting discussions.

Program field day red beet-black radish - 11.09.2026

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Field day at our demo farm - Falkenhof Strothe on 26.09.2024

Field day at our demo farm - Falkenhof Strothe on 26.09.2024

With 19 participants from all over Hesse and neighboring NRW, an interesting and lively event with field tours, lectures and informative discussions.

Program field day Falkenhof Strothe - 26.09.2024

 

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Organic climate vegetables project in the program "alle wetter!" 18.07.2024 from Hessischer Rundfunk


Organic climate vegetable project on the radio!

hessenschau

 

Research project at the University of Kassel Vegetable cultivation in a changing climate: mulch does the trick


Article in the magazine "über bio"


Organic climate vegetables project in the program "alle wetter!" 14.03.2024 from Hessischer Rundfunk

Margita Hefner presented the organic climate vegetables project in the program "alle wetter!" by Hessischer Rundfunk. The program starts at the 8th minute.

https://www.ardmediathek.de/video/alle-wetter/alle-wetter-vom-14-03-2024/hr-fernsehen/ODNkODBmMjktZGE2Yi00ZmU2LTk3MTUtNDVjOTQ1YjEyNGQ1